Terahertz Wave Generator and Terahertz Wave Measurement Method

Excitation light of two wavelengths is incident to an optical crystal from a first face side, and a terahertz wave THzis generated from a second face, and the excitation light that has passed through the optical crystal is reflected, made incident to the optical crystal from the second face side, and a terahertz wave THzis generated from the first face. Terahertz waves with similar characteristics to each other are thereby generated reliably in plural directions. 1. A terahertz wave generator comprising:a nonlinear optical crystal that is disposed on an optical path of excitation light containing light with a plurality of different wavelength components, and that generates a terahertz wave by difference frequency generation based on the incident excitation light; anda plurality of detectors that detect each of terahertz waves generated in a plurality of directions from the nonlinear optical crystal.2. The terahertz wave generator of claim 1 , wherein:the excitation light is made incident in a direction from a first face of the nonlinear optical crystal towards a second face on an opposite side from the first face, the excitation light that has passed through the nonlinear optical crystal is made incident in a direction from the second face towards the first face, and terahertz waves are respectively generated from the first face and the second face by collinear phase matching.3. The terahertz wave generator of claim 2 , further comprising:an excitation light generator that is equipped with a first mirror and a second mirror that together with the first mirror configures an oscillator, and that generates the excitation light.4. The terahertz wave generator of claim 2 , further comprising:a pair of off-axis parabolic mirrors that each comprise a pass-through portion through which excitation light passes and a reflection face that reflects incident terahertz waves, and that are each disposed so as to reflect the incident terahertz waves,wherein the nonlinear optical ...

METHOD OF DRIVING PUMP

A method of driving a pump is used in a pressure-applying apparatus, the apparatus including a flow passage, a pump configured to impart pressure into the flow passage, an opening and closing valve configured to open and close the flow passage, a pressure detector configured to detect pressure in the flow passage, and an atmospheric air open valve configured to open an interior of the flow passage to atmospheric air. The method includes driving the pump after closing the opening and closing valve and opening the atmospheric air open valve, and evaluating a state of the pump, based on one of: the pressure detected by the pressure detector at a time at which a predetermined time period has elapsed after closing the atmospheric air open valve, and a time from closing of the atmospheric air open valve until detection of a predetermined pressure by the pressure detector. 1. A method of driving a pump , the method being used in a pressure-applying apparatus including:a flow passage;a pump configured to impart pressure into the flow passage;an opening and closing valve that is disposed in the flow passage, and that is configured to open and close the flow passage;a pressure detector configured to detect pressure in the flow passage; andan atmospheric air open valve that is disposed in the flow passage, and that is configured to open an interior of the flow passage to atmospheric air, andthe method comprising: closing the opening and closing valve, and', 'opening the atmospheric air open valve; and, 'driving the pump after'} the pressure detected by the pressure detector at a time at which a predetermined time period has elapsed after closing the atmospheric air open valve while continuing to drive the pump; and', 'a time from closing of the atmospheric air open valve while continuing to drive the pump until detection of a predetermined pressure by the pressure detector., 'evaluating a state of the pump, based on one of2. The method of driving a pump according to claim 1 , ...

ANALYSIS DEVICE

An analysis device includes a guide-in section, a placement section, an illumination member, a pressing member, and a measurement member. The guide-in section is configured to guide a rectangular block shaped analysis kit containing a sample. The analysis kit is placed on the placement section in the guide-in section. The illumination member is inserted into an insertion hole formed in the analysis kit, contacts a bottom of the insertion hole, and illuminates light onto the sample. The pressing member is configured by a separate body to the illumination member and presses the analysis kit such that the analysis kit placed on the placement section is sandwiched between the pressing member and the placement section and retained at a predetermined position. The measurement section measures a component present in the sample using light illuminated from the illumination member onto the sample in the analysis kit placed on the placement section. 1. An analyzer comprising:a guide-in section configured to receive an analysis kit containing a sample;a placement section configured to support the analysis kit in the guide-in section;a light source that is configured to be inserted into an insertion hole formed in the analysis kit, contact a bottom of the insertion hole, and illuminate light onto the sample;a presser that is configured as a separate body from the light source and press the analysis kit such that the analysis kit supported on the placement section is sandwiched between the presser and the placement section and retained at a predetermined position; anda measurer configured to measure a component present in the sample using light illuminated from the light source onto the sample in the analysis kit placed on the placement section.2. The analyzer of claim 1 , wherein the presser is configured to press the analysis kit in a state in which the light source has been inserted into the insertion hole.3. The analyzer of claim 1 , wherein a direction in which the analysis ...

Analysis device and positioning method

An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.

Method of driving an atmospheric air pump in a capillary electrophoresis apparatus

A method of driving a pump is used in a pressure-applying apparatus, the apparatus including a flow passage, a pump configured to impart pressure into the flow passage, an opening and closing valve configured to open and close the flow passage, a pressure detector configured to detect pressure in the flow passage, and an atmospheric air open valve configured to open an interior of the flow passage to atmospheric air. The method includes driving the pump after closing the opening and closing valve and opening the atmospheric air open valve, and evaluating a state of the pump, based on one of: the pressure detected by the pressure detector at a time at which a predetermined time period has elapsed after closing the atmospheric air open valve, and a time from closing of the atmospheric air open valve until detection of a predetermined pressure by the pressure detector.

ポンプ駆動方法

【課題】ポンプの作動状態を評価できるポンプ駆動方法を提供する。【解決手段】ポンプ駆動方法は、流路（流路２２、加圧流路２４）と、流路内に圧力を付与するポンプ３０と、流路に設けられ、流路を開閉する開閉弁２６と、流路においてポンプ３０と開閉弁２６の間に設けられ、流路内の圧力を検出する圧力検出部（圧力センサ３２）と、流路においてポンプ３０と開閉弁２６の間に設けられ、流路内を大気開放する大気開放弁３４と、を有する加圧装置１０に用いられ、開閉弁２６を閉じ、大気開放弁３４を開き、ポンプ３０を駆動する第１工程と、ポンプ３０を駆動したまま大気開放弁３４を閉じてから、所定時間経過時に圧力検出部が検出した圧力に基づき、ポンプ３０の状態を評価する第２工程と、を有する。【選択図】図１

Method of driving pump

Analysis device and positioning method

An analysis device employs an analysis kit including a chip provided with a capillary through which a sample flows and a cartridge superimposed on the chip and provided with a liquid reservoir. The analysis device includes a guide-in section into which the analysis kit is guided, a placement section on which the analysis kit placed so as to be supported, a pusher member that pushes the analysis kit from one side face of the analysis kit, contact members that oppose another side face on an opposite side in the horizontal direction to the one side face of the analysis kit placed on the placement section, and contact the other side face of the analysis kit being pushed in by the pusher member so as to position the analysis kit in the horizontal direction, and a measurement member that measures a component present in the sample in the analysis kit.

Analysis device and positioning method

Method of driving pump

Method of driving pump

Analysis device and positioning method