Preparing laser detector in quick responding and broadband by using material of oxide film in multi layers

A technology of laser detectors and oxide thin films, which is applied in the field of laser detectors, can solve the problems that the response band is not wide enough, the photoresponse of detectors is not fast enough, and it cannot be used to detect and measure laser pulse pulse laser waveforms, etc., and achieves the preparation method Simple, high-sensitivity effects

Inactive Publication Date: 2006-02-01
INST OF PHYSICS - CHINESE ACAD OF SCI
View PDF4 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although people have developed many different types of laser detectors such as pyroelectricity, photoelectricity, pyroelectricity, etc., the work for novel laser detectors is still people's interest and ongoing work, and the applicant is also in this regard Obtained the following patents for laser detectors, such as patent number: ZL89202869.6; patent number: ZL89220541.5; patent number: ZL90202337.3, patent number: ZL90205920.3; The photoresponse of the detector is not fast enough, and the response band is not wide enough.
[0003] People have done a ...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparing laser detector in quick responding and broadband by using material of oxide film in multi layers
  • Preparing laser detector in quick responding and broadband by using material of oxide film in multi layers
  • Preparing laser detector in quick responding and broadband by using material of oxide film in multi layers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] refer to figure 1 , to prepare a laser detector with a two-layer structure of doped oxide-doped lanthanum manganate. The following is a detailed description of the structure of the fast-response broadband laser detector made of oxide multilayer film materials in conjunction with the specific preparation process. . Laser molecular beam epitaxy equipment is selected, and the substrate 1 is 3×3cm 2 size of SrTiO 3 Single crystal substrate, using SrNb 0.1 Ti 0.9 o 3 strontium niobate titanate doped target, its SrNb 0.1 Ti 0.9 o 3 Doped strontium niobate titanate is epitaxially grown on the substrate 1 as a doped oxide film 7, and then the doped oxide SrNb 0.1 Ti 0.9 o 3 Epitaxial growth of 300nm thick La on the film layer 7 0.7 Sr 0.3 MnO 3 photoresponsive material layer 2, such that the SrTiO 3 Formation of La on the oxide substrate 1 0.7 Sr 0.3 MnO 3 / SrNb 0.1 Ti 0.9 o 3 / SrTiO 3 Doped oxide-doped lanthanum manganate two-layer laser detector. Cut the...

Embodiment 2

[0033] Made according to the structure of Example 1, just use SrNb instead 0.005 Ti 0.995 o 3 instead of SrNb 0.1 Ti 0.9 o 3 As the doped oxide thin film 7, a laser detector with a doped oxide-doped lanthanum manganate two-layer structure is prepared.

Embodiment 3

[0035] Make by the structure of embodiment 1, just use SrNb 0.5 Ti 0.95 o 3 instead of SrNb 0.1 Ti 0.9 o 3 As the doped oxide thin film 7, a laser detector with a doped oxide-doped lanthanum manganate two-layer structure is prepared.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Resistanceaaaaaaaaaa
Login to view more

Abstract

A fast response broadband laser detector prepared by material of oxide multiplayer film consists of chip formed by epitaxial growth of doped oxide and optical response material on one surface of oxide single crystal substrate , doped barium titanate or doped strontium titanate using doped oxide as epitaxial growth on said substrate , optical response layer formed by doped lanthanum manganate film layer , the first electrode on doped lanthanum manganate film , the second electrode on doped oxide and two electrode lead wires with one end being connected to two electrodes and another end to signal output end .

Description

technical field [0001] The invention relates to a laser detector, in particular to a fast-response broadband laser detector made of oxide multilayer film material. Background technique [0002] The detection of laser energy, power, pulse width and waveform is not only very important for laser devices and scientific research, but also has a very wide range of applications in military, national defense, production and life. Although people have developed many different types of laser detectors such as pyroelectricity, photoelectricity, pyroelectricity, etc., the work for novel laser detectors is still people's interest and ongoing work, and the applicant is also in this regard Obtained the following patents for laser detectors, such as patent number: ZL89202869.6; patent number: ZL89220541.5; patent number: ZL90202337.3, patent number: ZL90205920.3; Made of electrical materials, the photoresponse of the detector is not fast enough, and the response band is not wide enough. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01J1/42G01J11/00
Inventor 吕惠宾黄延红何萌郭海中程波林金奎娟陈正豪周岳亮杨国桢
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap