Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

METHOD FOR NON-INVASIVE MONITORING OF FLUORESCENT TRACER AGENT WITH DIFFUSE REFLECTION CORRECTIONS

PREPROCESSING SUBUNIT POST-AGENT ADMINISTRATION SELECTION SUBUNIT RDTC CALCULATION FAULT DETECTION SUBUNIT SUBUNIT PROCESSING UNIT 1308 ) 1304 ) 1306 ) BACKGROUND SUBTRACTION SUBUNIT BACKGROUND CORRECTION SUBUNIT 1310 ) 1312.. (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 August 2018 (02.08.2018) WIP0 I PCT onion °nolo olomoiloimoinomo oimIE (10) International Publication Number WO 2018/140978 Al • (57) : A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium GC with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measure- ment entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. © The measurements may include one or more of: a DR ex signal detected ...

LUMINANCE-PRIORITY COLOR SENSOR

Multi-point spectral system

A multi-point spectral system, comprising: an image sensing device, an imaging lens and a multi-wavelength filter. The multi-wavelength filter has a plurality of filter regions with different transmission wavelength. Combination of the multi-wavelength filter and color filters of the image sensing device can produce a plurality of images with multi-narrowband wavelengths.

FARBSENSOR MIT LUMINANZPRIORITÄT

FARBSENSOR MIT LUMINANZPRIORITÄT

OPTICAL SENSOR AND ELECTRONIC DEVICE

СПОСОБ НЕИНВАЗИВНОГО МОНИТОРИНГА ФЛУОРЕСЦЕНТНОГО ИНДИКАТОРНОГО АГЕНТА С МЕЧЕНЫМ АТОМОМ С КОРРЕКЦИЯМИ ДИФФУЗИОННОГО ОТРАЖЕНИЯ

FIELD: medicine.SUBSTANCE: invention relates to medical equipment. A method of monitoring a time-varying fluorescent signal emitted from a fluorescent agent from within a medium with time-varying optical properties includes providing a set of measurement data, which includes a plurality of measurement records, which include at least two measurements received from the patient before and after the introduction of the fluorescent agent. Measurements may include one or more of the following:signal detected by unfiltered radiation detector during illumination by means of radiation with excitation wavelength from first area adjacent to diffusion reflecting medium;signal detected by filtered radiation detector during illumination by radiation with excitation wavelength; andsignal detected by unfiltered radiation detector during illumination by radiation with emission wavelength.EFFECT: disclosed is a method of monitoring a fluorescent signal varying in time.10 cl, 26 dwg, 4 tbl. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 721 652 C1 (51) МПК A61B 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК A61B 5/00 (2020.02) (21)(22) Заявка: 2019127176, 30.01.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.05.2020 (73) Патентообладатель(и): МЕДИБИКОН ИНК. (US) (56) Список документов, цитированных в отчете о поиске: US 2013066116 A1, 03.01.2013. WO 2011089258 A2, 28.07.2011. RU 2475537 C2, 20.02.2013. 30.01.2017 US 62/452,025 (45) Опубликовано: 21.05.2020 Бюл. № 15 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 30.08.2019 (86) Заявка PCT: 2 7 2 1 6 5 2 (87) Публикация заявки PCT: WO 2018/140978 (02.08.2018) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СПОСОБ НЕИНВАЗИВНОГО МОНИТОРИНГА ФЛУОРЕСЦЕНТНОГО ИНДИКАТОРНОГО АГЕНТА С МЕЧЕНЫМ АТОМОМ С КОРРЕКЦИЯМИ ДИФФУЗИОННОГО ОТРАЖЕНИЯ (57) Реферат: Изобретение ...

METHOD FOR NON-INVASIVE MONITORING OF FLUORESCENT TRACER AGENT WITH DIFFUSE REFLECTION CORRECTIONS

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DR ex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DR em signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity ...

Color image capture element and color image signal processing circuit

Color imaging element and color signal processing circuit

This invention provides a color imaging element exhibiting excellent color reproduction capability with high sensitivity. The color imaging element (12) contains a first photoelectric conversion element (18) having a red color filter (38) for guiding incident light provided at a light receiving side for selectively outputting a red color signal, a second photoelectric conversion element (20) having a green color filter (34) for guiding incident light provided at a light receiving side for selectively outputting a green color signal, a third photoelectric conversion element (22) having a blue light filter (36) for guiding incident light provided at a light receiving side and for selectively outputting a blue color signal, and an infrared component photoelectric conversion element (24) having an infrared light permeable filter formed by a laminate of the red color filter (38) and the above said blue color filter (36) at the light receiving side for guiding incident light for selectively outputting ...

POLARIZATION PROPERTY IMAGE MEASUREMENT DEVICE, AND POLARIZATION PROPERTY IMAGE MEASUREMENT METHOD

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units.

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set ...

OPTICAL SENSOR AND ELECTRONIC DEVICE

An optical sensor includes a light receiving unit and a calculating unit. The light receiving unit includes a plurality of light receiving elements and a plurality of color filters. The plurality of light receiving elements include a first light receiving element and a second light receiving element through which a photocurrent flows when receiving light. The plurality of color filters include a yellow filter that covers a light receiving surface of the first light receiving element and a red filter that covers a light receiving surface of the second light receiving element. The calculating unit calculates an intensity of a yellow wavelength band based on a difference between a first output signal obtained from the photocurrent of the first light receiving element and a second output signal obtained from the photocurrent of the second light receiving element.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a ...

RADIATION DETECTOR WITH AN EPITAXIALLY GROWN SEMICONDUCTOR BODY

A radiation detector comprising a plurality of detector elements ( 1, 2, 3 ) each having an active region ( 14, 24, 34 ) provided for radiation reception and for signal generation, the detector elements being monolithically integrated into a semiconductor body ( 5 ) of the radiation detector, a signal that is to be generated in a first detector element being able to be tapped off separately from a signal that is to be generated in a second detector element, and at least one of the active regions being designed for radiation reception in the visible spectral range.

PHOTODETECTOR AND ELECTRONIC APPARATUS

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.

Integrated semiconductor optic sensor device and corresponding manufacturing process

The invention relates to a process for manufacturing a light sensor device in a standard CMOS process, including at least the following phases: implanting active areas on a semiconductor substrate to obtain at least a first integrated region of a corresponding photosensor; forming at least a stack of layers having different thickness and refractive index layers over the photosensor to provide interferential filters for the same photosensor. At least one of the above mentioned layers is formed by a trasparent metallic oxide having a high refraction index and a corresponding high dielectric constant. In this manner, the design of interferential resonators is rendered more flexible making possible the use of a stack of layers including more than one high refraction index layer.

Strahlungsdetektor

Es wird ein Strahlungsdetektor mit einer Mehrzahl von Detektorelementen (1, 2, 3) angegeben, die jeweils einen zum Strahlungsempfang und zur Signalerzeugung vorgesehenen aktiven Bereich (14, 24, 34) aufweisen, wobei die Detektorelemente monolithisch in einen Halbleiterkörper (5) des Strahlungsdetektors integriert sind, ein in einem ersten Detektorelement zu erzeugendes Signal getrennt von einem in einem zweiten Detektorelement zu erzeugenden Signal abgreifbar ist und mindestens einer der aktiven Bereiche zum Strahlungsempfang im sichtbaren Spektralbereich ausgebildet ist.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a ...

Luminance-priority color sensor

Infrared pixel sensor and infrared signal correction

Infrared pixel sensor and infrared signal correction.

Sensor head for non-invasive monitoring of a fluorescent tracer agent

A sensor head is provided. In any of the various aspects of the invention, the sensor head has a housing enclosing at least two light sources configured to deliver light to a patient and comprising a blue LED first light source that delivers light at an excitatory wavelength and a green LED second light source, and at least one light detector configured to detect light at an emission wavelength from the patient. The sensor is useful for non-invasive monitoring of fluorescent tracers agents.

Integrated semiconductor optic sensor device and corresponding manufacturing process

The invention relates to a process for manufacturing a light sensor device in a standard CMOS process, including at least the following phases: implanting active areas on a semiconductor substrate to obtain at least a first integrated region of a corresponding photosensor; forming at least a stack of layers having different thickness and refractive index layers over the photosensor to provide interferential filters for the same photosensor. At least one of the above mentioned layers is formed by a trasparent metallic oxide having a high refraction index and a corresponding high dielectric constant. In this manner, the design of interferential resonators is rendered more flexible making possible the use of a stack of layers including more than one high refraction index layer.

METHOD FOR NON-INVASIVE MONITORING OF FLUORESCENT TRACER AGENT WITH DIFFUSE REFLECTION CORRECTIONS

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DRex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DRem signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity ...

FILTER ARRAY, SPECTRAL DETECTOR INCLUDING THE FILTER ARRAY AND SPECTROMETER EMPLOYING THE SPECTRAL DETECTOR

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set of absorbance characteristics different from the first set of absorbance characteristics.

Colour-measuring arrangement

The invention relates to a colour-measuring arrangement having a plurality of optoelectronic transducers and upstream colour filters for obtaining electrical signals corresponding to colour contents in a light to be investigated. In order to be able to construct such a colour-measuring arrangement relatively simply, each optoelectronic transducer consists of a fluorescence plate (1, 2, 3) having a wide spectral sensitivity, and of a photodetector (6, 7, 8) mounted laterally on the fluorescence plate (1, 2, 3). The fluorescence plates (1, 2, 3) are combined with the interposition of colour filters (4, 5) to form a stack-like structure. <IMAGE>

Multicolor infrared focal plane arrays

The multicolor focal plane array of this invention detects and distinguishes between incoming electromagnetic radiation within a first band of wavelengths and incoming electromagnetic radiation within a second band of wavelengths which includes the first wavelength band. The array includes a substrate and a two dimensional array of detectors disposed on the substrate and responsive to electromagnetic radiation within a predetermined range of wavelengths including the first and second wavelength bands. A first thin film filter is disposed on the substrate and interposed between the incoming radiation and a subset of the detectors in the array to prevent radiation outside of the first wavlength band from reaching the detectors. A second thin film filter is disposed on the substrate and interposed between the incoming radiation and all of the detectors in the array to prevent radiation outside of the second wavelength band from reaching the detectors in the subset. The filter design uses a ...

Multi-spectral filter

An optical thin film filter for the spatial and spectral separation of two or more transmitting bands of radiant energy. For a two band filter the filter has a substrate substantially transparent to radiant energy in the transmitted bands. On one surface of said substrate is a multilayer interference coating that transmits both wavelength bands of interest. On the other surface of said substrate (or on the same surface) are two sets of non-overlapping butted, parallel stripes with one set being alternately interspersed with the other. The widths of said stripes are varied to provide for precisely defined regions of spatial and spectral delineation. One set of stripes is capable of transmitting one of the bands of interest and reflecting all others, while the second set of stripes is capable of transmitting at least one band different from the one band transmitted by said first set of stripes and reflecting all others. Each of the stripes in itself is a multilayer interference coating formed ...

Ambient light detectors using conventional CMOS image sensor process

INFRARED PIXEL SENSOR AND INFRARED SIGNAL CORRECTION

An infrared pixel sensor comprising a pixel and a composite infrared pass filter (item marked: IR (R+B)) comprising a plurality of filters, wherein each filter belonging to the plurality of filters is substantially transparent to infrared radiation and has a visible pass spectrum so that the composite infrared pass filter is substantially opaque to visible light. Signals from infrared pixel sensors are subtracted from color pixel sensors (items marked: R, G, B) to correct for infrared radiation in the image signal without the need for an infrared blocking filter.

Optical filter

An optical filter 2 is disposed on an image sensor 12 including a plurality of sensor pixels 12a which are aligned, and includes a elongated translucent substrate 4; a first optical filter layer 6 laminated on the translucent substrate 4, and a second optical filter layer 8 laminated on the first optical filter layer 6. The translucent substrate 4 includes a photodetecting part 4a which is long in the alignment direction X of the sensor pixels 12a and disposed on the image sensor 12; and a frame part 4b surrounding the photodetecting part 4a. The photodetecting part 4a includes a light transmitting region 41a on one side in the longitudinal direction of the photodetecting part 4a; a first filter region 42a adjacent to the light transmitting region 41a in the longitudinal direction of the photodetecting part 4a, and a second filter region 43a which is adjacent to the first filter region 42a in the longitudinal direction of the photodetecting part 4a and disposed on the side opposite to the ...

Multi-spectral filter

An optical thin film filter for the spatial and spectral separation of two or more transmitting bands of radiant energy. For a two band filter the filter has a substrate substantially transparent to radiant energy in the transmitted bands. On one surface of said substrate is a multilayer interference coating that transmits both wavelength bands of interest. On the other surface of said substrate (or on the same surface) are two sets of non-overlapping butted, parallel stripes with one set being alternately interspersed with the other. The widths of said stripes are varied to provide for precisely defined regions of spatial and spectral delineation. One set of stripes is capable of transmitting one of the bands of interest and reflecting all others, while the second set of stripes is capable of transmitting at least one band different from the one band transmitted by said first set of stripes and reflecting all others. Each of the stripes in itself is a multilayer interference coating formed ...

Luminance-priority color sensor

在亮度优先多层彩色胶片中,其中有一层是和人眼的亮度灵敏度基本上匹配的。这个亮度层和现有技术的具有蓝、绿、红感光层的那种彩色胶片不同。此亮度层有在其他层对光进行散射和衰减之前最优先感光的位置,和现有技术的蓝光优先的彩色胶片相比能得到更高的亮度记录速度和明晰度。在另一个实施例中,一种分层的CCD检测器有一个对所有颜色都灵敏的顶部的硅层(1012),下面接着是一个黄色滤光层(1010)、一个由于黄色滤光层而只对绿光和红光有响应的第二个硅层(1008)、一个青色滤光层(1006)、和一个只接收绿光的底部硅层(1004)。图像从亮度优先的彩色检测器输入到彩色空间转换装置以恢复完全彩色。在较好的实施例中,顶部的亮度层转换出亮度“Y”值,而下面的彩色感光层则和亮度一起被用于得出YUV彩色空间的色度矢量“U”和“V”。

AMBIENT LIGHT DETECTORS USING CONVENTIONAL CMOS IMAGE SENSOR PROCESS

A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents ...

INFRARED PIXEL SENSOR AND INFRARED SIGNAL CORRECTION

An infrared pixel sensor comprising a pixel and a composite infrared pass filter (item marked: IR (R+B)) comprising a plurality of filters, wherein each filter belonging to the plurality of filters is substantially transparent to infrared radiation and has a visible pass spectrum so that the composite infrared pass filter is substantially opaque to visible light. Signals from infrared pixel sensors are subtracted from color pixel sensors (items marked: R, G, B) to correct for infrared radiation in the image signal without the need for an infrared blocking filter.

LUMINANCE-PRIORITY COLOR SENSOR

PURPOSE: A luminance-priority color sensor is provided which includes in an electronic sensor a layer that substantially and generally matches the luminance response of the human eye. CONSTITUTION: In luminance-priority multilayer color film, one of the layers substantially matches the luminance sensitivity of the human eye. This luminance layer distinguishes from prior art color films that have a blue, a green, and a red sensitive layer. This luminance layer has the priority front position to sense light before being diffused and attenuated by other layers. In another embodiment, a layered CCD sensor has a top silicon layer (1012) that is sensitive to all colors, followed by a yellow filter (1010), a second silicon layer (1008) responsive to green and red light only because of the yellow filter, a cyan filter (106), and a bottom silicon layer (1004) receiving only green light. An image from a luminance-priority color sensor inputs to a color space conversion to recover full color. COPYRIGHT ...

Optical sensor and electronic device

An optical sensor includes a light receiving unit and a calculating unit. The light receiving unit includes a plurality of light receiving elements and a plurality of color filters. The plurality of light receiving elements include a first light receiving element and a second light receiving element through which a photocurrent flows when receiving light. The plurality of color filters include a yellow filter that covers a light receiving surface of the first light receiving element and a red filter that covers a light receiving surface of the second light receiving element. The calculating unit calculates an intensity of a yellow wavelength band based on a difference between a first output signal obtained from the photocurrent of the first light receiving element and a second output signal obtained from the photocurrent of the second light receiving element.

Color image capture element and color image signal processing circuit

A color image capture element comprises a plurality of color component photoelectric conversion elements, each disposed with a color filter on a light receiving surface for respectively transmitting different color components, for receiving incoming light and selectively outputting respective color signals corresponding to the intensity of the different color components, and an infrared component photoelectric conversion element, disposed with an infrared transmitting filter on a light receiving surface for transmitting an infrared component, for selectively outputting an infrared signal. This enables the infrared component included in at least one of a plurality of color signals to be corrected, thereby improving the sensitivity of a color image capture apparatus.

Polarization property image measurement device, and polarization property image measurement method

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric ...

OPTICAL FILTER

An optical filter 2 is disposed on an image sensor 12 including a plurality of sensor pixels 12a which are aligned, and includes a elongated translucent substrate 4; a first optical filter layer 6 laminated on the translucent substrate 4, and a second optical filter layer 8 laminated on the first optical filter layer 6. The translucent substrate 4 includes a photodetecting part 4a which is long in the alignment direction X of the sensor pixels 12a and disposed on the image sensor 12; and a frame part 4b surrounding the photodetecting part 4a. The photodetecting part 4a includes a light transmitting region 41a on one side in the longitudinal direction of the photodetecting part 4a; a first filter region 42a adjacent to the light transmitting region 41a in the longitudinal direction of the photodetecting part 4a, and a second filter region 43a which is adjacent to the first filter region 42a in the longitudinal direction of the photodetecting part 4a and disposed on the side opposite to the ...

OPTICAL FILTER

An optical filter 2 is disposed on an image sensor 12 including a plurality of sensor pixels 12 a which are aligned, and includes a elongated translucent substrate 4; a first optical filter layer 6 laminated on the translucent substrate 4, and a second optical filter layer 8 laminated on the first optical filter layer 6. The translucent substrate 4 includes a photodetecting part 4 a which is long in the alignment direction X of the sensor pixels 12 a and disposed on the image sensor 12; and a frame part 4 b surrounding the photodetecting part 4 a. The photodetecting part 4 a includes a light transmitting region 41 a on one side in the longitudinal direction of the photodetecting part 4 a; a first filter region 42 a adjacent to the light transmitting region 41 a in the longitudinal direction of the photodetecting part 4 a, and a second filter region 43 a which is adjacent to the first filter region 42 a in the longitudinal direction of the photodetecting part 4 a and disposed on the side opposite to the light transmitting region 41 a across the first filter region 42 a. The first optical filter layer 6 covers the first and second filter regions 42 a and 43 a and the frame part 4 b, and the second optical filter layer 8 covers the second filter region 43 a and the frame part 4 b.

LUMINANCE-PRIORITY COLOR SENSOR

In luminance-priority multilayer color film, one of the layers substantially matches the luminance sensitivity of the human eye. This luminance layer distinguishes from prior art color films that have a blue, a green, and a red sensitive layer. This luminance layer has the priority front position to sense light before being diffused and attenuated by other layers, giving the luminance record enhanced speed and clarity compared to prior art blue-priority color film. In another embodiment, a layered CCD sensor has a top silicon layer (1012) that is sensitive to all colors, followed by a yellow filter (1010), a second silicon layer (1008) responsive to green and red light only because of the yellow filter, a cyan filter (106), and a bottom silicon layer (1004) receiving only green light. An image from a luminance-priority color sensor inputs to a color space conversion to recover full color. In the preferred embodiment, a luminance layer on top maps to a luminance 'Y' value, and underlying color sensitive layers are used in conjunction with the luminance to derive the 'U' and 'V' chrominance vectors of YUV color space.

Color image capture element and color image signal processing circuit

A color image capture element comprises a plurality of color component photoelectric conversion elements, each disposed with a color filter on a light receiving surface for respectively transmitting different color components, for receiving incoming light and selectively outputting respective color signals corresponding to the intensity of the different color components, and an infrared component photoelectric conversion element, disposed with an infrared transmitting filter on a light receiving surface for transmitting an infrared component, for selectively outputting an infrared signal. This enables the infrared component included in at least one of a plurality of color signals to be corrected, thereby improving the sensitivity of a color image capture apparatus.

OPTICAL FILTER

光学フィルタ２は、配列した複数のセンサ画素１２ａを含むイメージセンサ１２上にあり、長尺の透光性基板４、これに積層される第１光学フィルタ層６、及びこれに積層される第２光学フィルタ層８を含む。透光性基板４は、センサ画素１２ａの配列方向Ｘに長尺でイメージセンサ１２上にある受光部４ａと、これを囲む枠部４ｂを含む。受光部４ａは、その長手方向の一方側の透光領域４１ａ、その長手方向において透光領域４１ａに隣接する第１フィルタ領域４２ａ、及びその長手方向において第１フィルタ領域４２ａに隣接し且つ第１フィルタ領域４２ａを挟み透光領域４１ａと逆側の第２フィルタ領域４３ａを含む。第１光学フィルタ層６は、第１、２フィルタ領域４２ａ、４３ａ及び枠部４ｂを覆い、第２光学フィルタ層８は、第２フィルタ領域４３ａ及び枠部４ｂを覆う。

Polarization sensitive image sensor

A device includes a first multi-element image sensor; a second multi-element image sensor; and a polarizing layer positioned between the first and second multi-element image sensors. A portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

Ambient light detectors using conventional cmos image sensor process

A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents ...

SENSOR HEAD FOR NON-INVASIVE MONITORING OF A FLUORESCENT TRACER AGENT

A sensor head is provided comprising a housing enclosing at least two light sources configured to deliver light to a patient and comprising a blue LED first light source that delivers light at an excitatory wavelength and a green LED second light source, and at least one light detector configured to detect light at an emission wavelength from the patient. The sensor is useful for non-invasive monitoring of fluorescent tracers agents.

Umgebungslichtdetektoren mit herkömmlichem CMOS-Bildsensorprozess

Lichtdetektor zum Detektieren spezifischer Wellenlängen des Lichtes, umfassend: einen ersten Sensor, der Komplementär-Metalloxid-Halbleiter-(CMOS-)-Fotozellen aufweist, die mit einer farbigen Filterschicht einer ersten Farbe bedeckt sind, welche eine erste Durchlässigkeit hat, die das Hindurchtreten sowohl von Licht der spezifischen Wellenlängen als auch von auch Licht anderer Wellenlängen zulässt, einen zweiten Sensor, der weitere CMOS-Fotozellen aufweist, von denen wenigstens einige sowohl mit einer farbigen Filterschicht der ersten Farbe als auch mit einer farbigen Filterschicht einer zweiten Farbe bedeckt sind, die in beliebiger Reihenfolge übereinander gestapelt sind, wobei die farbige Filterschicht der zweiten Farbe eine zweite Durchlässigkeit hat, die das Hindurchtreten von Licht der anderen Wellenlängen zulässt, wobei der erste Sensor einen ersten Fotostrom erzeugt und der zweite Sensor einen zweiten Fotostrom erzeugt, wenn Licht, das sowohl die spezifischen als auch andere Wellenlängen aufweist, auf den Detektor fällt; und wobei ein Differenz-Fotostrom, der durch Bestimmung einer Differenz zwischen den ersten...

Photodetector and electronic apparatus

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DRex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DRem signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity ...

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DRex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DRem signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity ...

Photodetector and electronic apparatus

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.

Multi-point spectral system and multi-point spectral module to be mounted on, clipped on or connected to an image capturing module of an electronic device easily

A multi-point spectral system includes an imaging lens, an image capturing module and a multiwavelength filter (MWF) disposed between the imaging lens and the image capturing module. The MWF has a plurality of narrow-bandpass filter (NBPF) units arranged in an array, and each of the plurality of NBPF units has a respective predetermined central transmitted wavelength. The multi-point spectral system is provided to capture plural spectral images of a scene, which contain spectral or color information of the scene. The multi-point spectral system may utilize the information of the plural spectral images to recognize features revealed at the scene.

Color image capture element and color image signal processing circuit

OPTICAL STACK, OPTICAL DEVICE AND OPTICAL CONSTRUCTION

An optical device for sensing a presence of an analyte in a person is provided. The optical device includes a light source, an optical stack, and a reader. The light source emits a first light having a first wavelength. The optical stack is placed on a skin of the person. The optical stack includes a sensor material and an optical filter. The sensor material emits a second light having a second wavelength when irradiated with the first light. An optical property of the second light is sensitive to the presence of the analyte. The optical filter is disposed on the sensor material and includes a plurality of microlayers numbering at least 10 in total. The optical filter has different first and second transmittances at the respective first and second wavelengths.

Color image capture element and color image signal processing circuit

A color image capture element comprises a plurality of color component photoelectric conversion elements, each disposed with a color filter on a light receiving surface for respectively transmitting different color components, for receiving incoming light and selectively outputting respective color signals corresponding to the intensity of the different color components, and an infrared component photoelectric conversion element, disposed with an infrared transmitting filter on a light receiving surface for transmitting an infrared component, for selectively outputting an infrared signal. This enables the infrared component included in at least one of a plurality of color signals to be corrected, thereby improving the sensitivity of a color image capture apparatus.

COLOR EXPOSURE DEVICE

PURPOSE: To expose each color light without color deviation by laminating semiconductor photoelectric conversion layers via transparent conductive films, changing the absorption characteristics of the respective photoelectric conversion layers and taking out the electromotive force corresponding to the wavelength region of the absorbed light. CONSTITUTION: The transparent conductive films 24, 25, 26 and the photoelectric conversion films 31, 32, 33 are alternately laminated on a glass plate 1. The films 31, 32, 33 are manufactured by vapor deposition of amorphous silicon so that the film 31 absorbs the light of a short wavelength, the film 32 the light of an intermediate region and the film 33 the light of a long wavelength region. An indium oxide is deposited by evaporation on the layers 24, 25, 26. When light 6 is made incident to the device, the films 31, 32, 33 absorb succes sively blue light, green light and red light. Since the photoelectric conversion films for the respective colors ...

RECONSTRUCTING LIGHT WAVELENGTH SPECTRUM WITH THIN-FILM DEVICE

Polarization sensitive image sensor

AMBIENT LIGHT DETECTORS USING CONVENTIONAL CMOS IMAGE SENSOR PROCESS

A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents ...

Filter array, spectral detector, and spectrometer

MULTI-POINT SPECTRAL SYSTEM

Ambient light detectors using conventional CMOS image sensor process

A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents ...

METHOD FOR NON-INVASIVE MONITORING OF FLUORESCENT TRACER AGENT WITH DIFFUSE REFLECTION CORRECTIONS

a presente invenção refere-se a um método para monitorar um sinal de fluorescência variável no tempo emitido de um agente fluorescente de dentro de um meio com propriedades ópticas variáveis no tempo que inclui fornecer um conjunto de dados de medida que inclui uma pluralidade de entradas de medida que inclui pelo menos duas medidas obtidas de um paciente antes e após a administração do agente fluorescente. as medidas podem incluir um ou mais dentre: um sinal drex detectado por um detector de luz não filtrada durante a iluminação pela luz de comprimento de onda excitória da primeira região adjacente ao meio refletor difuso; um sinal flr detectado por um detector de luz filtrada durante a iluminação pela luz de comprimento de onda excitória; e um sinal drem detectado pelo detector de luz não filtrada durante a iluminação pela luz de comprimento de onda por emissão. o método ainda inclui identificar uma porção de administração pós-agente do conjunto de dados de medida; e transformar cada sinal flr a um sinal if representando uma intensidade de fluorescência detectada emitida apenas pelo agente fluorescente. the present invention relates to a method for monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties that includes providing a measurement data set that includes a plurality of inputs measure that includes at least two measurements obtained from a patient before and after administration of the fluorescent agent. the measurements may include one or more of: a drex signal detected by an unfiltered light detector during illumination by the excitation wavelength light from the first region adjacent to the diffuse reflecting medium; a flr signal detected by a filtered light detector during illumination by the excitation wavelength light; and a drem signal detected by the unfiltered light detector during illumination by emission wavelength light. the method further includes identifying a ...

Layered solid state color photosensitive device

A color photosensitive device includes a transparent base plate and a lamination of alternate layers of transparent conductive films and photoelectric conversion layers. The photoelectric conversion layers are sensitive to light of increasing wavelength as the distance from the base plate increases. The photoelectric conversion layers comprise amorphous silicone and the transparent conductive films comprise an oxide of indium, tin, or the like.

Photocell array with multi-spectral filter

An optical thin film filter for the spatial and spectral separation of two or more transmitting bands of radiant energy. For a two band filter the filter has a substrate substantially transparent to radiant energy in the transmitted bands. On one surface of said substrate is a multilayer interference coating that transmits both wavelength bands of interest. On the other surface of said substrate (or on the same surface) are two sets of non-overlapping butted, parallel stripes with one set being alternately interspersed with the other. The widths of said stripes are varied to provide for precisely defined regions of spatial and spectral delineation. One set of stripes is capable of transmitting one of the bands of interest and reflecting all others, while the second set of stripes is capable of transmitting at least one band different from the one band transmitted by said first set of stripes and reflecting all others. Each of the stripes in itself is a multilayer interference coating formed of a plurality of high and low index of refraction materials.

Luminance-priority electronic color image sensor

In luminance priority multilayer color film, one of the layers substantially matches the luminance sensitivity of the human eye. This luminance layer distinguishes from prior art color films that have a blue, a green, and a red sensitive layer. This luminance layer has the priority front position to sense light before being diffused and attenuated by other layers, giving the luminance record enhanced speed and clarity compared to prior art blue-priority color film. In another embodiment, a layered CCD sensor has a top silicon layer that is sensitive to all colors, followed by a yellow filter, a second silicon layer responsive to green and red light only because of the yellow filter, a cyan filter, and a bottom silicon layer receiving only green light. An image from a luminance-priority color sensor inputs to a color space conversion to recover full color. In the preferred embodiment, a luminance layer on top maps to a luminance "Y" value, and underlying color sensitive layers are used in ...

Layered solid state color photosensitive device

A color photosensitive device includes a transparent base plate and a lamination of alternate layers of transparent conductive films and photoelectric conversion layers. The photoelectric conversion layers are sensitive to light of increasing wavelength as the distance from the base plate increases. The photoelectric conversion layers comprise amorphous silicone and the transparent conductive films comprise an oxide of indium, tin, or the like.

Radiation detector with an epitaxially grown semiconductor body

A radiation detector comprising a plurality of detector elements (1, 2, 3) each having an active region (14, 24, 34) provided for radiation reception and for signal generation, the detector elements being monolithically integrated into a semiconductor body (5) of the radiation detector, a signal that is to be generated in a first detector element being able to be tapped off separately from a signal that is to be generated in a second detector element, and at least one of the active regions being designed for radiation reception in the visible spectral range.

PIXEL UNIT, IMAGE SENSOR, MANUFACTURING METHOD THEREOF AND IMAGING DEVICE

An image sensor including a pixel array, the pixel array includes alternately distributed first pixel units and second pixel units, the first pixel unit includes a first radiation sensing element for sensing the radiation in a first wavelength range, and a second radiation sensing element for sensing the radiation in a second wavelength range different from the first wavelength range, in which the first radiation sensing element is separated from the second radiation sensing element, and the second pixel unit includes a third radiation sensing element for sensing the radiation in the third wavelength range, which is different from the first wavelength range and the second wavelength range, and a fourth radiation sensing element for sensing the radiation in the second wavelength range, in which the third radiation sensing element is separated from the fourth radiation sensing element.

Infrared correction system

An imaging system using a color shutter receives signals indicative of color information in a plurality of planes together with infrared information and a signal indicative of the infrared radiation alone. The infrared radiation signal may be subtracted from the signals associated with the color planes to develop signals free of infrared radiation effects for each of the desired color planes. In addition an infrared signal is available which may have useful applications in some situations. In this way, color information color bands may be obtained without the need an infrared filter and infrared information is retained for use in other applications if desired. In addition infrared and dark current information may be derived that can be used for dark current correction.

Polarization property image measurement device, and polarization property image measurement method

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units.

MULTI-POINT SPECTRAL SYSTEM

A multi-point spectral system includes an imaging lens, an image capturing module and a multiwavelength filter (MWF) disposed between the imaging lens and the image capturing module. The MWF has a plurality of narrow-bandpass filter (NBPF) units arranged in an array, and each of the plurality of NBPF units has a respective predetermined central transmitted wavelength. The multi-point spectral system is provided to capture plural spectral images of a scene, which contain spectral or color information of the scene. The multi-point spectral system may utilize the information of the plural spectral images to recognize features revealed at the scene.

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set of absorbance characteristics different from the first set of absorbance characteristics.

Infrared pixel sensor and infrared signal correction

A infrared pixel sensor comprising a pixel circuit and a composite infrared pass filter comprising a plurality of filters, wherein each filter belonging to the plurality of filters are substantially transparent to infrared radiation and have a visible pass spectrum so that the composite infrared pass filter is substantially opaque to visible light. Signals from infrared pixel sensors are subtracted from color pixel sensors to correct for infrared radiation in the image signal without the need for an infrared blocking filter.

FILTER ARRAY, SPECTRAL DETECTOR INCLUDING THE FILTER ARRAY AND SPECTROMETER EMPLOYING THE SPECTRAL DETECTOR

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set ...

METHOD FOR NON-INVASIVE MONITORING OF FLUORESCENT TRACER AGENT WITH DIFFUSE REFLECTION CORRECTIONS

Photocell array with multi-spectral filter

An optical thin film filter for the spatial and spectral separation of two or more transmitting bands of radiant energy. For a two band filter the filter has a substrate substantially transparent to radiant energy in the transmitted bands. On one surface of said substrate is a multilayer interference coating that transmits both wavelength bands of interest. On the other surface of said substrate (or on the same surface) are two sets of non-overlapping butted, parallel stripes with one set being alternately interspersed with the other. The widths of said stripes are varied to provide for precisely defined regions of spatial and spectral delineation. One set of stripes is capable of transmitting one of the bands of interest and reflecting all others, while the second set of stripes is capable of transmitting at least one band different from the one band transmitted by said first set of stripes and reflecting all others. Each of the stripes in itself is a multilayer interference coating formed ...

Color image sensor and color signal processing circuit

Optical filter

本发明涉及一种光学滤波器(2)，其位于包含排列的多个传感器像素(12a)的图像传感器(12)上，并包含长板状的透光性基板(4)、层叠在透光性基板上的第1光学滤波层(6)、以及层叠在第1光学滤波层上的第2光学滤波层(8)。透光性基板(4)包含，在传感器像素(12a)的排列方向(X)上较长且位于图像传感器(12)上的受光部(4a)，和包围它的框部(4b)。受光部(4a)具有：位于受光部的长度方向上的一侧的透光区域(41a)、在受光部的长度方向上与透光区域(41a)邻接的第1滤波区域(42a)、和在受光部的长度方向上与第1滤波区域(42a)邻接且夹着第1滤波区域(42a)而位于与透光区域(41a)相反的一侧的第2滤波区域(43a)。第1光学滤波层(6)覆盖第1、2滤波区域(42a、43a)以及框部(4b)，第2光学滤波层(8)覆盖第2滤波区域(43a)和框部(4b)。

Color imaging element and color signal processing circuit

This invention provides a color imaging element exhibiting excellent color reproduction capability with high sensitivity. The color imaging element (12) contains a first photoelectric conversion element (18) having a red color filter (38) for guiding incident light provided at a light receiving side for selectively outputting a red color signal, a second photoelectric conversion element (20) having a green color filter (34) for guiding incident light provided at a light receiving side for selectively outputting a green color signal, a third photoelectric conversion element (22) having a blue light filter (36) for guiding incident light provided at a light receiving side and for selectively outputting a blue color signal, and an infrared component photoelectric conversion element (24) having an infrared light permeable filter formed by a laminate of the red color filter (38) and the above said blue color filter (36) at the light receiving side for guiding incident light for selectively outputting ...

LIGHT-RECEIVING ELEMENT AND DETECTION SYSTEM

A light-receiving element, comprising a plurality of photodiodes formed by stacking in this sequence, a lower reflection mirror, a resonator including a photoelectric conversion layer, and an upper reflection mirror on a semiconductor substrate, wherein the plurality of photodiodes share the semiconductor substrate and the lower reflection mirror, the plurality of photodiodes includes a first photodiode having a resonance wavelength λ1 and a second photodiode having a resonance wavelength λ2 that is larger than the resonance wavelength λ1, and a reflectance of the lower reflection mirror has a first peak corresponding to the resonance wavelength λ1 and a second peak corresponding to the resonance wavelength λ2.

Multicolor infrared focal plane arrays

The multicolor focal plane array of this invention detects and distinguishes between incoming electromagnetic radiation within a first band of wavelengths and incoming electromagnetic radiation within a second band of wavelengths which includes the first wavelength band. The array includes a substrate and a two dimensional array of detectors disposed on the substrate and responsive to electromagnetic radiation within a predetermined range of wavelengths including the first and second wavelength bands. A first thin film filter is disposed on the substrate and interposed between the incoming radiation and a subset of the detectors in the array to prevent radiation outside of the first wavlength band from reaching the detectors. A second thin film filter is disposed on the substrate and interposed between the incoming radiation and all of the detectors in the array to prevent radiation outside of the second wavelength band from reaching the detectors in the subset. The filter design uses a ...

PHOTODETECTOR AND ELECTRONIC APPARATUS

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters. 1. A photodetector comprising:a semiconductor substrate;a first light receiving part located on the semiconductor substrate and covered by a first filter for a first color;a second light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by the first filter for the first color;a third light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a second filter for a second color; anda fourth light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a third filter for the second color.2. The photodetector of claim 1 , further comprising a fifth light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a fourth filter for a third color.3. The photodetector of claim 2 , further comprising a sixth light receiving part located on the semiconductor substrate adjacent to the fifth light receiving part and covered by the fourth filter for the third color.4. The photodetector of claim 1 , further comprising a seventh light receiving part located on the semiconductor substrate adjacent to the fourth light receiving part and covered by the second filter for the second color.5. The photodetector of claim 1 , further comprising two additional light receiving parts located on the semiconductor substrate and being symmetrical with the first light receiving part and the second light receiving part ...

Light detection device and electronic apparatus

A light detection device includes a semiconductor substrate, a signal detection light receiving portion, and an infrared light receiving portion. First and second color filters cover the signal detection light receiving portion and the infrared light receiving portion, respectively. The first color filter passes therethrough visible light in a first wavelength range as well as infrared light. The second color filter passes therethrough visible light in a second wavelength range as well as infrared light. A third color filter covers the infrared light receiving portion. The third color filter passes therethrough visible light in a third wavelength range different from the second wavelength range as well as infrared light. An infrared cut filter covers the signal detection light receiving portion and has an opening in a region opposite to the infrared light receiving portion.

POLARIZATION PROPERTY IMAGE MEASUREMENT DEVICE, AND POLARIZATION PROPERTY IMAGE MEASUREMENT METHOD

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units. 1. An image sensor , comprising:a light receiver that is disposed in a first substrate and receives light from a target object onto which a plurality of light beams having different conditions are radiated, the light receiver comprising a plurality of first photoelectric converters photoelectrically converting respective polarized light beams having different polarizations from one another; anda discriminating unit that is disposed in a second substrate deposited on the first substrate and differentiate, among signals output from the plurality of the first photoelectrically converters, each signal from other signals so as to determine an origin of the signal as one of the plurality of light beams.2. The image sensor according to claim 1 , further comprising:a first radiator that radiates the plurality of light beams onto the target object after subjecting the plurality of light beams to intensity modulation at frequencies different from one another, wherein ...

Optical filter

本发明涉及一种光学滤波器(2)，其位于包含排列的多个传感器像素(12a)的图像传感器(12)上，并包含长板状的透光性基板(4)、层叠在透光性基板上的第1光学滤波层(6)、以及层叠在第1光学滤波层上的第2光学滤波层(8)。透光性基板(4)包含，在传感器像素(12a)的排列方向(X)上较长且位于图像传感器(12)上的受光部(4a)，和包围它的框部(4b)。受光部(4a)具有：位于受光部的长度方向上的一侧的透光区域(41a)、在受光部的长度方向上与透光区域(41a)邻接的第1滤波区域(42a)、和在受光部的长度方向上与第1滤波区域(42a)邻接且夹着第1滤波区域(42a)而位于与透光区域(41a)相反的一侧的第2滤波区域(43a)。第1光学滤波层(6)覆盖第1、2滤波区域(42a、43a)以及框部(4b)，第2光学滤波层(8)覆盖第2滤波区域(43a)和框部(4b)。

Ambient light detectors using conventional cmos image sensor process

A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter layer of a first color that has a first transmittance that allows both light of the specific wavelengths and light of other wavelengths to pass. The second sensor including further CMOS photocells, at least some of which are covered by both a colored filter layer of the first color and a colored filter layer of a second color, stacked one above the other in either order, where the colored filter layer of the second color has a second transmittance that allows light of the other wavelengths to pass. The first sensor produces a first photocurrent, and the second sensor produces a second photocurrent, when light including both the specific and other wavelengths is incident upon the detector. A differential photocurrent, produced by determining a difference between the first and second photocurrents ...

OPTICAL FILTER

【課題】光学フィルタ層の剥離を抑制できる光学フィルタを提供すること。 【解決手段】本発明の光学フィルタ２は、配列した複数のセンサ画素１２ａを含むイメージセンサ１２上にあり、長尺の透光性基板４、これに積層される第１光学フィルタ層６、及びこれに積層される第２光学フィルタ層８を含む。透光性基板４は、センサ画素１２ａの配列方向Ｘに長尺でイメージセンサ１２上にある受光部４ａと、これを囲む枠部４ｂを含む。受光部４ａは、その長手方向の一方側の透光領域４１ａ、その長手方向において透光領域４１ａに隣接する第１フィルタ領域４２ａ、及びその長手方向において第１フィルタ領域４１ａに隣接し且つ第１フィルタ領域４２ａを挟み透光領域４１ａと逆側の第２フィルタ領域４３ａを含む。第１光学フィルタ層６は、第１、２フィルタ領域４２ａ、４３ａ及び枠部４ｂを覆い、第２光学フィルタ層８は、第２フィルタ領域４３ａ及び枠部４ｂを覆う。 【選択図】図１

COLOR IMAGING DEVICE, AND COLOR SIGNAL PROCESSING CIRCUIT

PROBLEM TO BE SOLVED: To provide a color imaging device with high sensitivity and good color reproduction. SOLUTION: The color imaging device 12 includes a first photoelectric conversion element 22, of which a red filter 38 for conducting incident light is formed on the light receiving face side, for generating selectively a red signal, a second photoelectric conversion element 22, of which a green filter 34 for conducting the incident light is formed on the light receiving face side, for generating selectively a green signal, and a third photoelectric conversion element 18, of which a blue filter 36 for conducting the incident light is formed on the light receiving face side, for generating selectively a blue signal, and an infrared light factor photoelectric conversion element 24, of which an infrared light transmitting filter made up of a red filter 38 and the blue filter 36 in laminated layers is formed on the light receiving face side, for conducting incident light and generating an ...

Light detection device and electronic apparatus

A light detection device includes a semiconductor substrate, a signal detection light receiving portion that is formed in the semiconductor substrate, an infrared light receiving portion that is formed in the semiconductor substrate, a first color filter that covers the signal detection light receiving portion and that has a first spectral characteristic such that the first color filter passes therethrough light in a first wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, a second color filter that covers the infrared light receiving portion and that has a second spectral characteristic such that the second color filter passes therethrough light in a second wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, a third color filter that covers the infrared light receiving portion and that has a third spectral characteristic such that the third color filter passes therethrough light in a third wavelength range different from the second wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, and an infrared cut filter that covers the signal detection light receiving portion and that has an opening in a region opposite to the infrared light receiving portion.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

시변 광 특성을 갖는 확산 반사 매질 내로부터 형광제로부터 방출된 시변 형광 신호를 모니터링하는 방법이 제공되고, 이는 형광제의 투여 전후에 환자로부터의 하나의 데이터 획득 시간에 획득된 적어도 두 개의 측정을 포함하는 복수의 측정 엔트리를 포함하는 측정 데이터 세트를 제공하는 단계를 포함한다. 상기 측정은 상기 확산 반사 매질에 인접한 제1 영역으로부터의 여기-파장 광에 의한 조명 동안, 필터링 되지 않은 광 검출기에 의해 검출된 DR ex 신호; 여기-파장 광에 의해 조명 동안, 필터링 된 광 검출기에 검출된 Flr 신호; 및 여기-파장 광에 의해 조명 동안, 필터링 되지 않은 광 검출기에 의해 검출된 DR em 신호; 중 적어도 하나를 포함할 수 있다. 이 방법은 측정 데이터 세트의 사후-제제 투여 부분을 식별하는 단계; 및 각 Flr 신호를 형광제에 의해서만 방출된 검출된 형광 강도를 나타내는 IF 신호로 변환하는 단계를 더 포함한다. A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffusely reflective medium having time-varying optical properties is provided, comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent. and providing a measurement data set comprising a plurality of measurement entries. The measurements include: a DR ex signal detected by an unfiltered photodetector during illumination with excitation-wavelength light from a first region adjacent to the diffusely reflective medium; Flr signal detected by a filtered photodetector during illumination by excitation-wavelength light; and the DR em signal detected by the unfiltered photodetector during illumination by excitation-wavelength light; may include at least one of The method includes identifying a post-drug administration portion of a measurement data set; and converting each Flr signal into an IF signal representing the detected fluorescence intensity emitted only by the fluorescent agent.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: aDRsignal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; asignal detected by a filtered light detector during illumination by excitatory-wavelength light; and a Flr signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each DRsignal to an signal representing a detected fluorescence intensity emitted solely by the fluorescent agent.

Color matching filter for color measurement apparatus

A color matching filter for a color measuring apparatus is provided to be manufactured below a predetermined thickness by using a small number of commercialized color filters in comparison with a conventional color matching filter. A color matching filter for a color measuring apparatus includes a first color filter, a second color filter, a third color filter, a fourth color filter, and a fifth color filter. The first color filter is 2.67mm thick, the second color filter is 1.7mm thick, the third color filter is 4.7mm thick, the fourth color filter is 0.56mm thick, and the fifth color filter is 2.9mm thick. And, the color matching filter has a spectroscopic mismatching value below 3%.

Polarization sensitive image sensor

A device includes a first multi-element image sensor; a second multi-element image sensor; and a polarizing layer positioned between the first and second multi-element image sensors. A portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

Utilize the non-intrusive monitoring method of the fluorescent tracer of diffusing reflection correction

提供了一种监测从来自具有时变光学性质的介质内的荧光剂发射的时变荧光信号的方法，该方法包括提供测量数据集，该测量数据集包括多个测量条目，该测量条目包括在施用荧光剂之前和之后从患者获得的至少两个测量值。测量值可以包括以下一个或多个：在由来自邻近漫反射介质的第一区域的激发波长光的照射期间由未滤波光检测器检测的DR ex 信号；在激发波长光的照射期间由滤波光检测器检测的Flr信号；以及在发射波长光的照射期间由未滤波光检测器检测的DR em 信号。该方法还包括识别测量数据集的后试剂施用部分；以及将每个Flr信号转换成表示仅由荧光剂发射的检测到的荧光强度的IF信号。

Luminance priority color sensor

(57)【要約】 輝度優先多層カラーフィルムにおいて、層の１つが人の眼の輝度感度にほぼ一致する。この輝度層は青感知層と、緑感知層と、赤感知層とを持つ先行技術のカラーフィルムとは異なる。この層は、他の層によって拡散および減衰させられる前に光を感知するために優先フロント位置を持ち、先行技術の青優先カラーフィルムと比較して感度と明瞭度とが高くされた輝度記録を与える。他の実施例では、層状ＣＣＤセンサが全ての色に感度を持つ１番上のシリコン層（１０１２）を持ち、それの後に黄色フィルタ（１０１０）が続き、その後に、黄色フィルタのためだけに緑色光と赤色光に応答する第２のシリコン層（１００８）と、シアンフィルタ（１０６）と、緑色光のみを受ける１番下のシリコン層（１００４）とを有する。輝度優先カラーセンサからの像が色空間変換に入力されて全部の色を回復する。好適な実施例では、１番上の輝度層が輝度「Ｔ」値にマップし、下側の色感知層が輝度とともに用いられてＹＵＶ色空間の「Ｕ」および「Ｖ」クロミナンスベクトルを得る。

Pixel unit, imaging sensor and its manufacturing method and imaging device

本公开涉及一种图像传感器，包括像素阵列，其特征在于，所述像素阵列包括交替分布的第一像素单元和第二像素单元，第一像素单元包括：第一辐射感测元件，用于感测第一波长范围的辐射；和第二辐射感测元件，用于感测与第一波长范围不同的第二波长范围的辐射，其中，第一辐射感测元件与第二辐射感测元件分隔开。第二像素单元包括：第三辐射感测元件，用于感测第三波长范围的辐射，第三波长范围不同于第一波长范围和第二波长范围；和第四辐射感测元件，用于感测第二波长范围的辐射，其中，第三辐射感测元件与第四辐射感测元件分隔开。

Polarization sensitive image sensor

A device includes a first multi-element image sensor; a second multi-element image sensor; and a polarizing layer positioned between the first and second multi-element image sensors. A portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflecting medium with time-varying optical properties

A method of assessment of renal function by monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffuse reflecting medium with time-varying optical properties is provided that includes using a renal monitoring system comprising at least one light source, at least one light detector, at least one optical filter, and at least one controller to provide a measurement data set comprising a plurality of measurement entries, each measurement data entry comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent.

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

필터 어레이와 이를 포함하는 분광 측정 소자 및 분광 측정 소자를 채용한 분광기에 관해 개시되어 있다. 개시된 필터 어레이는 복수의 필터 어레이를 포함하는 다중 배열 구조를 가질 수 있다. 상기 필터 어레이는 서로 다른 투과 스펙트럼을 나타내는 복수의 제1 필터가 어레이된 제1 필터 어레이 및 상기 제1 필터 어레이에 대향하는 것으로 서로 다른 투과 스펙트럼을 나타내는 복수의 제2 필터가 어레이된 제2 필터 어레이를 포함할 수 있다. 상기 복수의 제1 필터와 복수의 제2 필터 사이의 매치(match) 조합이 변경 가능할 수 있다. 개시된 분광 측정 소자는 상기 다중 배열 구조를 갖는 필터 어레이 및 이를 투과한 광을 감지하기 위한 센서부를 포함할 수 있다. Disclosed are a filter array, a spectroscopic measuring element including the same, and a spectrometer employing the spectroscopic measuring element. The disclosed filter array may have a multi-array structure comprising a plurality of filter arrays. The filter array includes a first filter array in which a plurality of first filters exhibiting different transmission spectra are arrayed, and a second filter array in which a plurality of second filters opposite the first filter array are arrayed and exhibiting different transmission spectra. may include A match combination between the plurality of first filters and the plurality of second filters may be changeable. The disclosed spectroscopic measurement device may include a filter array having the multi-array structure and a sensor unit for detecting light transmitted therethrough.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DR ex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DR en, signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity emitted solely by the fluorescent agent. (see Fig.13)

박막 디바이스를 이용하는 광 파장 스펙트럼의 재구축

분광계 디바이스는: 다수의 광 검출기 요소들을 포함하는 기판; 기판 상의 제1 필터 층 - 여기서 제1 필터 층은 필터 스택들의 다수의 그룹들을 포함하고, 제1 필터 층에서의 각각의 필터 스택은 교번 굴절률의 다수의 유전체 막들을 포함함 -; 및 제1 필터 층 상의 제2 필터 층 - 여기서 제2 필터 층은 필터 스택들의 다수의 그룹들을 포함하고, 제2 필터 층에서의 각각의 필터 스택은 교번 굴절률의 다수의 유전체 막들을 포함함 - 을 포함하고, 여기서 제2 필터 층에서의 각각의 필터 스택은 제1 필터 층에서의 대응하는 필터 스택과 대응하는 광 검출기 요소 양측 모두와 정렬되어 개개의 광검출기 채널을 규정하고, 여기서 각각의 광검출기 채널은 상이한 광학 투과 스펙트럼을 포함한다.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

Image processing apparatus and image pickup apparatus

Provided is an image pickup apparatus including a multi-band pass filter that selectively transmits band light in a specific band, a color filter that transmits the band light in the specific band per pixel of an image pickup device, the image pickup device that receives light transmitted by the multi-band pass filter and the color filter, and a signal processing section to which a pixel value of the image pickup device is input and which executes a signal process on the pixel value. The multi-band pass filter is configured to selectively transmit band light corresponding to a plurality of color filter elements, and the signal processing section generates a pixel value corresponding to a band, of a pixel to be processed using a raw image base pixel value signal per pixel and a spectral characteristic parameter of the image pickup apparatus.

受光素子、検知システム

画像処理装置、撮像装置、および画像処理方法、並びにプログラム

Light-receiving element and detection system

A light-receiving element, comprising a plurality of photodiodes formed by stacking in this sequence, a lower reflection mirror, a resonator including a photoelectric conversion layer, and an upper reflection mirror on a semiconductor substrate, wherein the plurality of photodiodes share the semiconductor substrate and the lower reflection mirror, the plurality of photodiodes includes a first photodiode having a resonance wavelength λ1 and a second photodiode having a resonance wavelength λ2 that is larger than the resonance wavelength λ1, and a reflectance of the lower reflection mirror has a first peak corresponding to the resonance wavelength λ1 and a second peak corresponding to the resonance wavelength λ2.

Reconstructing light wavelength spectrum with thin-film device

A spectrometer device includes: a substrate including multiple light detector elements; a first filter layer on the substrate, in which the first filter layer includes multiple groups of filter stacks, each filter stack in the first filter layer including multiple dielectric films of alternating refractive index; and a second filter layer on the first filter layer, in which the second filter layer includes multiple groups of filter stacks, each filter stack in the second filter layer including multiple dielectric films of alternating refractive index, in which each filter stack in the second filter layer is aligned with both a corresponding filter stack in the first filter layer and a corresponding light detector element to define a respective photodetector channel, and in which each photodetector channel includes a different optical transmission spectrum.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflecting medium with time-varying optical properties

A method of assessment of renal function by monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffuse reflecting medium with time-varying optical properties is provided that includes using a renal monitoring system comprising at least one light source, at least one light detector, at least one optical filter, and at least one controller to provide a measurement data set comprising a plurality of measurement entries, each measurement data entry comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent.

Metodo para monitoreo no invasivo de agente trazador fluorescente con correcciones de reflejo difuso.

Un método para monitorear una señal de fluorescencia de tiempo variable emitida de un agente fluorescente desde dentro de un medio con propiedades ópticas de tiempo variable se proporciona e incluye proporcionar un conjunto de datos de medición que incluye una pluralidad de entradas de medición que incluyen al menos dos mediciones obtenidas de un paciente antes y después de administración del agente fluorescente. Las mediciones pueden incluir uno o más de: una señal DRex detectada por un detector de luz no filtrado durante iluminación por luz de longitud de onda de excitación de la primera región adyacente al medio de reflejo difuso; una señal de Flr detectada por un detector de luz filtrado durante iluminación por luz de longitud de onda de excitación; y una señal DRem detectada por el detector de luz no filtrado durante iluminación por luz de longitud de onda de emisión. El método además incluye identificar una porción de administración de pos-agente del conjunto de datos de medición; y transformar cada señal de Flr a una señal IF que representa una intensidad de fluorescencia detectada emitida únicamente por el agente fluorescente.

Dispositivo fotosensore integrato su semiconduttore e relativo processo di fabbricazione

반도체 측정 장치 및 반도체 측정 방법

반도체 측정 장치 및 반도체 측정 방법을 제공한다. 측정 대상의 광 발광 유도를 위한 제 1 광원부를 제공하고, 측정 대상의 두께 측정을 위한 제 2 광원부를 제공하고, 제 1 광원부의 유도에 의하여 측정 대상에서 방출되는 광 발광 및 제 2 광원부로부터 측정 대상으로 입사된 빛의 반사광을 측정하는 스펙트로미터를 제공하고, 제 2 광원부는 상기 제 1 광원부의 유도에 의해 상기 대상에서 발광되는 빛의 파장 보다 긴 파장의 연속 스펙트럼을 갖는 빛을 방사한다. 발광 소자, 광 발광, 두께, 스펙트로미터

Image processing apparatus, image pickup apparatus, and program

Provided is an image pickup apparatus including a multi-band pass filter that selectively transmits band light in a specific band, a color filter that transmits the band light in the specific band per pixel of an image pickup device, the image pickup device that receives light transmitted by the multi-band pass filter and the color filter, and a signal processing section to which a pixel value of the image pickup device is input and which executes a signal process on the pixel value. The multi-band pass filter is configured to selectively transmit band light corresponding to a plurality of color filter elements, and the signal processing section generates a pixel value corresponding to a band, of a pixel to be processed using a raw image base pixel value signal per pixel and a spectral characteristic parameter of the image pickup apparatus.

受光素子、検知システム

【課題】同一基板上に形成された複数のフォトダイオードを有し、波長が大きく異なる２波長の光に感度ピークを有する受光素子を提供する。【解決手段】受光素子１は、半導体基板１０００に対して、下部反射鏡１００１、光電変換層１００３を含んだ共振器部１０１０および１０２０、上部反射鏡１００２がこの順に積層されることによって形成された複数のフォトダイオード１０１及び１０２を有し、複数のフォトダイオードにおける、半導体基板および下部反射鏡は共通化されており、複数のフォトダイオードは、共振波長λ１を有する第１のフォトダイオード１０１と、共振波長λ１よりも大きい共振波長λ２を有する第２のフォトダイオード１０２とを含み、下部反射鏡の反射率は、共振波長λ１に対応した第１のピークと、共振波長λ２に対応した第２のピークを有している。【選択図】図２

光センサおよび電子機器

图像处理装置、图像拾取装置、方法以及程序

提供了一种图像拾取装置，其包括：选择性地透射特定波带中的波带光的多带通滤波器；按图像拾取器件的像素透射特定波带中的波带光的滤色器；接收由多带通滤波器和滤色器透射的光的所述图像拾取器件；以及信号处理部件，向信号处理部件输入图像拾取器件的像素值，并且信号处理部件对像素值执行信号处理。多带通滤波器被配置成选择性地透射与多个滤色器元件相对应的波带光，以及信号处理部件利用每像素的原始图像基本像素值信号和图像拾取装置的谱特性参数，生成要处理的像素的与波带相对应的像素值。

分光フィルタ、ならびにそれを含むイメージセンサ、及び電子装置

【課題】分光フィルタ、ならびにそれを含むイメージセンサ、及び電子装置を提供する。【解決手段】分光フィルタ、及びそれを含むイメージセンサ、並びにその電子装置に係り、該分光フィルタは、第１金属反射層と、第１金属反射層の上部に設けられる第２金属反射層と、第１金属反射層と前記第２金属反射層との間に設けられるものであり、互いに異なる中心波長に対応する第１パターンを含む複数のキャビティと、第１金属反射層の下部に設けられるものであり、中心波長に対応する第２パターンを含む複数の下部パターン膜と、を含む。【選択図】図２

光谱滤光器、包括光谱滤光器的图像传感器和电子设备

提供了一种光谱滤光器以及包括该光谱滤光器的图像传感器和电子设备。光谱滤光器包括：第一金属反射层；第二金属反射层，设置在第一金属反射层的上方；多个空腔，设置在第一金属反射层与第二金属反射层之间，该多个空腔包括与不同中心波长相对应的第一图案；以及多个下图案膜，设置在第一金属反射层的下方，该多个下图案膜包括与不同中心波长相对应的第二图案。

光センサ、光センサの出力回路、受光素子のバイアス電圧の調整方法

【課題】検出精度の高い光センサ、光センサの出力回路、受光素子のバイアス電圧の調整方法を提供する。【解決手段】光センサは、第１入力端子３１ａ、第２入力端子３１ｂ、及び出力端子３１ｃを有する増幅器３１と、第１入力端子３１ａに対して接続されるものであって、フォトダイオードＰＤ１を有する第１受光素子１１Ｙと、第２入力端子３１ｂに対して基準電圧を印加する基準電圧印加部３２と、第１受光素子１１Ｙに対して、基準電圧とは異なるバイアス電圧ＶＢＹを印加するバイアス電圧印加部と、を備える。【選択図】図６

Optical Sensor and Electronic Apparatus

The subject of the present disclosure is to enhance spectral characteristics.The present disclosure relates to an optical sensor and an electronic apparatus. The optical sensor includes: multiple optical receivers, multiple color filters covering light receiving surfaces of the multiple optical receivers, and a multi-layer filter layered on the multiple color filters. The multiple color filters include a red color filter, a green color filter and a blue color filter. The multi-layer filter includes a first transmission wavelength region allowing transmission of a portion of the transmission wavelength regions of the green color filter and the blue color filter, and a second transmission wavelength region allowing transmission of a portion of the transmission wavelength region of the red color filter.

다중 회전식 분광기

회전식 분광기는 복수의 입력 포트를 포함한다. 각각의 입력 포트는 전자기 방사를 운반하는 광학 도파관을 수납하도록 배열될 수 있다. 분광기는 각각의 광학 대역 통과 필터가 각각의 입력 포트와 정렬될 수 있도록 모터의 제어 하에서 회전하는 제1 본체 상에 수용된 복수의 광학 대역 통과 필터를 또한 포함한다. 더욱이, 분광기는 제1 본체와 함께 회전하는 제2 본체 상에 배치된 복수의 검출기 회로를 포함한다. 각각의 검출기 회로는 복수의 광학 대역 통과 필터들 중 하나에 광전 결합되고, 이에 의해 각각의 검출기 회로가 그가 광전 결합된 대역 통과 필터에 의해 결정된 파장의 범위에 전적으로 응답하게 한다. 분광기, 전자기 방사, 대역 통과 필터, 검출기 회로, 입력 포트

Dispositivo fotosensore integrato su semiconduttore e relativo process o di fabbricazione

ビーム検出器

【課題】所要面積が小さく、また簡単且つ廉価に製造することができる、可視スペクトル領域にあるビームを検出するための効率的で小型のビーム検出器を提供する。 【解決手段】第１の検出素子において形成される信号が第２の検出素子において形成される信号とは別個に取り出され、第１の検出素子は可視ビームに対して部分的に透過性であり、第１の検出素子を通過した可視ビームは第２の検出素子において信号を形成する。 【選択図】図１

光传感器及电子设备

本发明的课题在于提高分光特性。本发明涉及一种光传感器及电子设备。光传感器具备：多个受光元件(42)；多个彩色滤波器(60)，覆盖多个受光元件(42)的受光面；及多层膜滤波器(16)，积层在多个彩色滤波器(60)上。多个彩色滤波器(60)具有红色滤波器(61R)、绿色滤波器(61G)及蓝色滤波器。多层膜滤波器(16)包含：第1透过波段，能够使绿色滤波器(61G)及蓝色滤波器的透过波段的一部分透过；及第2透过波段，能够使红色滤波器(61R)的透过波段的一部分透过。

Strahlungsdetektor

Es wird ein Strahlungsdetektor mit einer Mehrzahl von Detektorelementen (1,2,3) angegeben, die jeweils einen zum Strahlungsempfang und zur Signalerzeugung vorgesehenen aktiven Bereich (14,24,34) aufweisen, wobei die Detektorelemente monolithisch in einen Halbleiterkörper (5) des Strahlungsdetektors integriert sind, ein in einem ersten Detektorelement zu erzeugendes Signal getrennt von einem in einem zweiten Detektorelement zu erzeugenden Signal abgreifbar ist und mindestens einer der aktiven Bereiche zum Strahlungsempfang im sichtbaren Spektralbereich ausgebildet ist.

用于激光投影机的三基色光源控制与颜色测量系统

本发明公开一种激光投影机的三基色光源控制与颜色测量系统，具有投影机主控器，所述投影机主控器通过PWMs脉冲或SPI总线控制激光光源驱动器，激光光源驱动器控制连接红绿蓝激光器，颜色采集器连接MCU控制模块，MCU控制模块输出连接投影机主控器；通过硬件结构及采用特定的单片机控制程序流程、单次颜色采集程序流程以及颜色采集系统需要多次测量求取平均值来进行白平衡校对，根据图像显示需要的颜色，驱动红绿蓝激光器工作，实现红绿蓝激光器的交替或同时工作，使颜色、光源的合理匹配，投影效果达到最佳。

光センサ及び電子機器

Optical sensor and electronic apparatus

The subject of the present disclosure is to enhance spectral characteristics. The present disclosure relates to an optical sensor and an electronic apparatus. The optical sensor includes: multiple optical receivers, multiple color filters covering light receiving surfaces of the multiple optical receivers, and a multi-layer filter layered on the multiple color filters. The multiple color filters include a red color filter, a green color filter and a blue color filter. The multi-layer filter includes a first transmission wavelength region allowing transmission of a portion of the transmission wavelength regions of the green color filter and the blue color filter, and a second transmission wavelength region allowing transmission of a portion of the transmission wavelength region of the red color filter.

フィルタアレイおよび撮像システム

フィルタアレイは、２次元的に配列された複数の光学フィルタを含む。前記複数の光学フィルタは、第１フィルタと第２フィルタとを含む。前記第１フィルタは、光透過率が極大値を示す複数の第１ピーク波長を対象波長域内に有する第１マルチモードフィルタと、前記対象波長域の一部である第１サブ波長域が制限帯域である第１帯域制限フィルタと、を含む。前記第２フィルタは、光透過率が極大値を示す複数の第２ピーク波長を前記対象波長域内に有し、前記複数の第２ピーク波長のうち少なくとも１つは前記複数の第１ピーク波長と異なる第２マルチモードフィルタと、前記対象波長域の一部であって前記第１サブ波長域とは異なる第２サブ波長域における光の透過を制限する第２帯域制限フィルタとを含む。

光センサ、光センサの出力回路、受光素子のバイアス電圧の調整方法

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflecting medium with time-varying optical properties

A method of assessment of renal function by monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffuse reflecting medium with time-varying optical properties is provided that includes using a renal monitoring system comprising at least one light source, at least one light detector, at least one optical filter, and at least one controller to provide a measurement data set comprising a plurality of measurement entries, each measurement data entry comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent.

光谱滤光器、包括光谱滤光器的图像传感器和电子设备

提供了一种光谱滤光器以及包括该光谱滤光器的图像传感器和电子设备。光谱滤光器包括：第一金属反射层；第二金属反射层，设置在第一金属反射层的上方；多个空腔，设置在第一金属反射层与第二金属反射层之间，该多个空腔包括与不同中心波长相对应的第一图案；以及多个下图案膜，设置在第一金属反射层的下方，该多个下图案膜包括与不同中心波长相对应的第二图案。

利用漫反射校正的荧光示踪剂的非入侵监测方法

提供了一种利用漫反射校正的荧光示踪剂的非入侵监测方法，该方法包括提供测量数据集，该测量数据集包括多个测量条目，该测量条目包括在施用荧光剂之前和之后从患者获得的至少两个测量值。测量值可以包括以下一个或多个：在由来自邻近漫反射介质的第一区域的激发波长光的照射期间由未滤波光检测器检测的DR ex 信号；在激发波长光的照射期间由滤波光检测器检测的Flr信号；以及在发射波长光的照射期间由未滤波光检测器检测的DR em 信号。该方法还包括识别测量数据集的后试剂施用部分；以及将每个Flr信号转换成表示仅由荧光剂发射的检测到的荧光强度的IF信号。

光检测元件、接收装置和光传感器装置

本发明提供光检测元件、接收装置和光传感器装置。该光检测元件包括：磁性元件，其具有被照射光的第一铁磁性层、第二铁磁性层以及被上述第一铁磁性层和上述第二铁磁性层夹着的间隔层；第一电极和第二电极，上述第一电极与上述磁性元件的层叠方向上的上述第一铁磁性层侧的第一面接触，上述第二电极与上述第一面的相反侧的第二面接触；以及第一高热传导层，其位于上述第一铁磁性层的外侧，与上述第一电极相比热传导率高。

图像处理装置、图像拾取装置、方法以及程序

提供了一种图像拾取装置，其包括：选择性地透射特定波带中的波带光的多带通滤波器；按图像拾取器件的像素透射特定波带中的波带光的滤色器；接收由多带通滤波器和滤色器透射的光的所述图像拾取器件；以及信号处理部件，向信号处理部件输入图像拾取器件的像素值，并且信号处理部件对像素值执行信号处理。多带通滤波器被配置成选择性地透射与多个滤色器元件相对应的波带光，以及信号处理部件利用每像素的原始图像基本像素值信号和图像拾取装置的谱特性参数，生成要处理的像素的与波带相对应的像素值。

用薄膜设备重建光波长谱

一种光谱仪设备，包括：包括多个光检测器元件的基板；基板上的第一滤光器层，其中第一滤光器层包括多组滤光器堆叠，第一滤光器层中的每个滤光器堆叠包括具有交替折射率的多个介电膜；以及第一滤光器层上的第二滤光器层，其中第二滤光器层包括多组滤光器堆叠，第二滤光器层中的每个滤光器堆叠包括具有交替折射率的多个介电膜，其中第二滤光器层中的每个滤光器堆叠与第一滤光器层中对应的滤光器堆叠和对应的光检测器元件两者对准，以限定相应的光电检测器通道，并且其中每个光电检测器通道包括不同的光学透射光谱。

光传感器及电子设备

本发明的课题在于提高分光特性。本发明涉及一种光传感器及电子设备。光传感器具备：多个受光元件(42)；多个彩色滤波器(60)，覆盖多个受光元件(42)的受光面；及多层膜滤波器(16)，积层在多个彩色滤波器(60)上。多个彩色滤波器(60)具有红色滤波器(61R)、绿色滤波器(61G)及蓝色滤波器。多层膜滤波器(16)包含：第1透过波段，能够使绿色滤波器(61G)及蓝色滤波器的透过波段的一部分透过；及第2透过波段，能够使红色滤波器(61R)的透过波段的一部分透过。

用薄膜设备重建光波长谱

一种光谱仪设备，包括：包括多个光检测器元件的基板；基板上的第一滤光器层，其中第一滤光器层包括多组滤光器堆叠，第一滤光器层中的每个滤光器堆叠包括具有交替折射率的多个介电膜；以及第一滤光器层上的第二滤光器层，其中第二滤光器层包括多组滤光器堆叠，第二滤光器层中的每个滤光器堆叠包括具有交替折射率的多个介电膜，其中第二滤光器层中的每个滤光器堆叠与第一滤光器层中对应的滤光器堆叠和对应的光检测器元件两者对准，以限定相应的光电检测器通道，并且其中每个光电检测器通道包括不同的光学透射光谱。

传感器头

本申请涉及传感器头。传感器头包括：壳体，被配置为附接至患者的身体表面并且包括底表面；至少两个光源，被配置为将光传送到所述患者的第一区域中，所述至少两个光源包括蓝色LED第一光源和绿色LED第二光源，其中，所述蓝色LED第一光源传送激发波长处的光；以及至少一个光检测器，被配置为检测在所述患者的第二区域处的发射波长处的光；其中，所述壳体封闭所述至少两个光源和所述至少一个光检测器。

基于颜色传感器的化学反应进程检测方法及系统

本发明公开了一种基于颜色传感器的化学反应进程检测方法及系统，该系统包括化学反应模块、颜色传感器模块、电池模块、STM32单片机和LCD显示屏模块。其中，LCD显示屏模块由颜色传感器模块和化学反应模块控制，颜色传感器模块通过检测到化学反应模块中反应溶液颜色的变化，并将颜色(RGB)的变化信号通过LCD显示屏模块，把化学反应模块中化学反应进程表示出来。本发明利用颜色传感器模块检测化学反应模块中反应介质颜色的变化情况来反映化学反应的进程，提高化学化工中监测化学反应进程的安全性与可靠性。

利用漫反射校正的荧光示踪剂的非入侵监测方法

提供了一种监测从来自具有时变光学性质的介质内的荧光剂发射的时变荧光信号的方法，该方法包括提供测量数据集，该测量数据集包括多个测量条目，该测量条目包括在施用荧光剂之前和之后从患者获得的至少两个测量值。测量值可以包括以下一个或多个：在由来自邻近漫反射介质的第一区域的激发波长光的照射期间由未滤波光检测器检测的DR ex 信号；在激发波长光的照射期间由滤波光检测器检测的Flr信号；以及在发射波长光的照射期间由未滤波光检测器检测的DR em 信号。该方法还包括识别测量数据集的后试剂施用部分；以及将每个Flr信号转换成表示仅由荧光剂发射的检测到的荧光强度的IF信号。

偏振敏感图像传感器

一种设备，包括：第一多元件图像传感器；第二多元件图像传感器；以及位于第一和第二多元件图像传感器之间的偏振层。沿第一方向入射到设备上的具有第一偏振态的光的一部分透射通过第一图像传感器、透射通过偏振层、并且被第二图像传感器检测到，并且沿第一方向入射到设备上的具有正交于第一偏振态的第二偏振态的光透射通过第一图像传感器，被偏振层阻挡。

光传感器及电子设备

光传感器包括受光单元和运算单元。受光单元具有多个受光元件和多个彩色滤光器。多个受光元件包括通过受光而流动光电流的第1受光元件及第2受光元件。多个彩色滤光器包括覆盖第1受光元件的受光面的黄色滤光器及覆盖第2受光元件的受光面的红色滤光器。运算单元基于从第1受光元件的光电流得到的第1输出信号和从第2受光元件的光电流得到的第2输出信号之差，运算黄色的波长带的强度。

滤波器阵列、光谱检测器和光谱仪

提供了滤波器阵列、包括滤波器阵列的光谱检测器以及使用该光谱检测器的光谱仪。滤波器阵列可以具有包括多个滤波器阵列的多阵列结构。滤波器阵列可以包括：第一滤波器阵列，具有第一结构，在第一结构中布置了多个具有不同透射谱的第一滤波器；第二滤波器阵列，具有第二结构，在第二结构中布置了多个具有不同透射谱的第二滤波器；第二滤波器阵列布置成在相对于第一滤波器阵列的第一位置处与第一滤波器阵列至少部分地交迭，使得多结构型滤波器阵列具有第一组吸收特性。第二滤波器阵列可以配置为布置成在相对于第一滤波器阵列的第二位置处与第一滤波器阵列至少部分地交迭，使得多结构型滤波器阵列具有与第一组吸收特性不同的第二组吸收特性。

像素单元、图像传感器及其制造方法以及成像装置

本公开涉及一种图像传感器，包括像素阵列，其特征在于，所述像素阵列包括交替分布的第一像素单元和第二像素单元，第一像素单元包括：第一辐射感测元件，用于感测第一波长范围的辐射；和第二辐射感测元件，用于感测与第一波长范围不同的第二波长范围的辐射，其中，第一辐射感测元件与第二辐射感测元件分隔开。第二像素单元包括：第三辐射感测元件，用于感测第三波长范围的辐射，第三波长范围不同于第一波长范围和第二波长范围；和第四辐射感测元件，用于感测第二波长范围的辐射，其中，第三辐射感测元件与第四辐射感测元件分隔开。