Vacuum deposition film and film heat treating plant having applied magnetic field

The invention relates to a vacuum deposition film and a film heat treatment device which are provided with an external magnetic field, comprising a sample chamber and a spherical inlet chamber at one end of the sample chamber, and an inlet is arranged in the spherical inlet chamber; the other end of the sample chamber is communicated with a vacuum unit through a sealing mechanism, and a vacuum gauge is arranged in the sample chamber; a sealing rubber ring is arranged between the pressure wire of the sealing mechanism and a seal joint, and the pressure wire and the seal joint are spirally fixed at the other port of the vacuum chamber, and the port is communicated with the vacuum unit through the sealing mechanism, and a wire is lead out from a heater to connect with a temperature control power supply; a water inlet and a water outlet are arranged at the side frame of the seal joint; a heater frame is fixed at the seal joint; an infrared radiation thermometer is arranged outside the vacuum ...

Deposition film making system of pulse laser with controllable magnetic field

Method and apparatus for no-mark detection of biochip

The invention provides a method for detecting a biological chip without using any labeling reagent, which comprises the steps of enabling polarized light including a P polarized light component and an S polarized light component to be irradiated on the biological chip to be detected and transmitted, receiving the transmitted polarized light and detecting and characterizing the characteristics of the biological chip to be detected according to the P polarized light component and the S polarized light component of the received transmitted polarized light. The invention can detect the differencefrom the relative change of a P polarized light transmission coefficient and an S polarized light transmission coefficient and obtain more internal information and structural characteristics on biological macromolecules according to the penetration of P polarized light and S polarized light into biological samples. The device adopted by the invention has simple structure, is easy to operate, can realize ...

Device for no-mark monitoring micro-array biomolecule reaction

The invention provides a device for non-mark monitoring of microorganism array biomolecular reaction, comprising an incident light path, a sample table, an emergent light path and a data acquisition and processing system, wherein, the incident light path comprises a laser, a polarizer, a photoelastic modulator, a phase shifter and a beam expander arranged between the phase shifter and the sample table; the emergent light path comprises a polarization analyzer and an electrooptical signal converter; the electrooptical signal converter comprises a CCD area array, a pulse switching circuit, a first phase-locked amplifier and a second phase-locked amplifier; the output end of the CCD area array is respectively in electric connection with the input ends of the pulse switching circuit, the first phase-locked amplifier and the second phase-locked amplifier. With a simple structure and easy operation, the device reduces the noise caused by moving a sample and greatly improves signal-noise ratio ...

Substrate angle adjusting device used for impulse laser deposition system

A detector from deep ultraviolet to remote infrared and its making method

Pyroelectric film material and preparation method thereof

The invention provides a pyroelecric film material, which comprises a substrate, a CaCu3Ti4O12 film and a metallic film in sequence from top down, wherein the substrate is made of an electric-conducting material and formed into a lower electrode; and the metallic film is formed into an upper electrode. Compared with the prior art, the pyroelecric film material of the invention has a simple preparation process, relatively low preparation cost and relatively high pyroelecric coefficient. In the invention, the prepared material is artificially polarized, so the originally inconspicuous pyroelecric effect becomes obvious, the physical properties are stable, and the polar characteristics of electric dipole moment can be maintained for a long time. Compared with other pyroelecric materials, the pyroelecric film material of the invention has a thin sensitive element, small volumetric specific heat, high sensitivity and microsecond grade of response speed, is easily integrated with semiconductor ...

A detector from deep ultraviolet to remote infrared and its making method

Deposition film making system of pulse laser with added electric field

An optical detector with full wave length and its making method

Substrate angle adjusting device used for impulse laser deposition system

An optical detector with full wave length and its making method

Solid-state nonlinear body material and preparation method thereof

The invention provides a solid-state nonlinear body material which is a polymer material containing noble metal nanometer granules, has the thickness of at least 1 mm, the preferential thickness of 1 cm to 80 cm, the more preferential thickness of 1 cm to 50 cm and the third-order nonlinear coefficient of 10<-6> to 10<-9> esu. The invention also provides a preparation method of the solid-state nonlinear body material. The optical material prepared by the method has stable performance and no toxin, is harmless and is applicable to the field of optical devices. The preparation process of the solid-state nonlinear body material is simple and easy to operate and has low cost.

Standard sample and method for measuring near field scanning optical microscope (NSOM) probe hole diameter

The invention provides a standard sample for measuring near field scanning optical microscope (NSOM) probe hole diameter size, which comprises a transmitting substrate (1) and a light-proof film layer (2) on the surface of the substrate (1), wherein the film layer (2) is provided with at least one measuring unit (3); each measuring unit (3) comprises at least two rectangular film-free layer areas; the film-free layer areas are arranged in sequence along the axis direction of the measuring unit; adjacent two film-free layer areas are divided by a film line (5); and the width of the film line (5) is larger than the probe hole diameter size to be measured. The invention also provides a method for measuring NSOM probe hole diameter according to the standard sample. The standard sample and the method for measuring probe hole diameter size are suitable for various NSOMs, do not need any additional attachment equipment and are convenient for use; by adopting the firm substrate and the film layer ...

Pyroelectric film material and preparation method thereof

The invention provides a pyroelecric film material, which comprises a substrate, a CaCu3Ti4O12 film and a metallic film in sequence from top down, wherein the substrate is made of an electric-conducting material and formed into a lower electrode; and the metallic film is formed into an upper electrode. Compared with the prior art, the pyroelecric film material of the invention has a simple preparation process, relatively low preparation cost and relatively high pyroelecric coefficient. In the invention, the prepared material is artificially polarized, so the originally inconspicuous pyroelecric effect becomes obvious, the physical properties are stable, and the polar characteristics of electric dipole moment can be maintained for a long time. Compared with other pyroelecric materials, thepyroelecric film material of the invention has a thin sensitive element, small volumetric specific heat, high sensitivity and microsecond grade of response speed, is easily integrated with semiconductor ...

Standard sample and method for measuring near field scanning optical microscope (NSOM) probe hole diameter

The invention provides a standard sample for measuring near field scanning optical microscope (NSOM) probe hole diameter size, which comprises a transmitting substrate (1) and a light-proof film layer (2) on the surface of the substrate (1), wherein the film layer (2) is provided with at least one measuring unit (3); each measuring unit (3) comprises at least two rectangular film-free layer areas; the film-free layer areas are arranged in sequence along the axis direction of the measuring unit; adjacent two film-free layer areas are divided by a film line (5); and the width of the film line (5) is larger than the probe hole diameter size to be measured. The invention also provides a method for measuring NSOM probe hole diameter according to the standard sample. The standard sample and themethod for measuring probe hole diameter size are suitable for various NSOMs, do not need any additional attachment equipment and are convenient for use; by adopting the firm substrate and the film layer ...

Method for measuring thermal conductivity of single semiconductor nanowire material

The invention relates to a method for measuring the thermal conductivity of a single semiconductor nanowire material. The method comprises the following steps of: suspending a semiconductor nanowire material to be measured on a substrate etched with a groove; confirming the diameter D1 of the semiconductor nanowire to be measured and the length L of the suspended part of the semiconductor nanowire sample suspended on the groove through an SEM (Scanning Electron Microscope); selecting an excitation light source, observing the remarkable red shift of the peak position of a band-edge fluorescence transmitter peak of the nanowire when laser is focused in the center of the suspended part of the nanowire and the laser strength is changed, measuring the variance relation of the nanowire fluorescence spectrum with temperatures and estimating the local temperature of the suspended nanowire part under the laser illumination so as to acquire the temperature grads of the nanowire under a certain laser ...

Nonlinear optical material based on metal nanometer cluster array and preparation method thereof

The invention provides a nonlinear optical material based on a metal nanometer cluster array, wherein the material includes a substrate, the metal nanometer cluster array on the substrate, and a polymer, an oxide or a metal-doped oxide wrapping the array. The material can be prepared by the following method: at first, the nanometer microspheres of polystyrene are dissolved in water to prepare a colloid water solution of the nanometer microspheres of polystyrene; the colloid water solution is coated on the substrate; the water on the substrate coated with the colloid water solution is removed to obtain orderly-arrayed colloid crystal membrane lamina with the nanometer microsphere of polystyrene; metal is deposited on the colloid crystal membrane lamina with the nanometer microsphere of polystyrene to obtain the colloid crystal membrane lamina with deposited metal; and the crystal membrane lamina of the colloid crystal membrane lamina with deposited metal is removed to obtain the substrate ...

Device and method for in situ measurement of energy distribution of focused laser faculae

The invention relates to a device and method for in situ measurement of energy distribution of focused laser faculae. The device is fixed on a high-precision translation stage by a bracket, wherein a bore for fixing a bore part is formed on a desktop of the bracket; a lens of a microscope is vertical to the bore part; a collecting lens is arranged under the bore of the desktop; the collecting lens is connected to a detector through an optical fiber; the detector is used for acquiring a transmitted laser signal and inputting the laser signal to a data processor; and an energy distribution chart of the laser faculae is acquired after the measured data are processed by the data processor. The measuring method comprises the following steps: confirming the bore position by utilizing the microscope and focusing the lasers to the bore position; adjusting and setting an exposure time of the detector; scanning and exposing according to a set step width; and supplying the energy distribution chart ...

Pyroelectric detector

The invention provides a pyroelectric detector which comprises a shell, a response element and a signal output interface, wherein the response element comprises a conductive substrate, a polarized CaCu3Ti4O12 film and a conductive transparent material film which are sequentially stacked; the response element is positioned in the shell; the shell is provided with a transparent window used for collecting outside electromagnetic radiation; the conductive substrate is used as a lower electrode, the conductive transparent material film is used as an upper electrode; the upper electrode and the lower electrode are electrically connected with the signal output interface; and the upper electrode faces to the transparent window. The response element has higher pyroelectric coefficient, thereby being capable of improving the sensitivity and the detectivity of the detector. Compared with other pyroelectric detectors, a power supply is connected in parallel with two electrodes of the response element ...

Method and apparatus for no-mark detection of biochip

The invention provides a method for detecting a biological chip without using any labeling reagent, which comprises the steps of enabling polarized light including a P polarized light component and an S polarized light component to be irradiated on the biological chip to be detected and transmitted, receiving the transmitted polarized light and detecting and characterizing the characteristics of the biological chip to be detected according to the P polarized light component and the S polarized light component of the received transmitted polarized light. The invention can detect the difference from the relative change of a P polarized light transmission coefficient and an S polarized light transmission coefficient and obtain more internal information and structural characteristics on biological macromolecules according to the penetration of P polarized light and S polarized light into biological samples. The device adopted by the invention has simple structure, is easy to operate, can realize ...

Vacuum deposition film and film heat treating plant having applied magnetic field

Device for high-throughout monitoring micro-array biomolecule reaction by light reflection difference method

The invention provides a device for high-flux monitoring of micro array biomolecular reaction through light reflex difference method, comprising an incident light path, a sample table, an emergent light path and a data acquisition and processing system, wherein, the incident light path comprises a laser, a polarizer, a photoelastic modulator, a phase shifter and a beam expander arranged between the phase shifter and the sample table; the emergent light path comprises a polarization analyzer and an electrooptical signal converter; the electrooptical signal converter comprises a silicon photodiode array, a pulse switching circuit, a first phase-locked amplifier and a second phase-locked amplifier; the output end of the silicon photodiode array is respectively in electric connection with the input ends of the pulse switching circuit, the first phase-locked amplifier and the second phase-locked amplifier. With a simple structure and easy operation, the device reduces the noise caused by moving ...