CN102901957A - Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar - Google Patents
Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar Download PDFInfo
- Publication number
- CN102901957A CN102901957A CN2012103611794A CN201210361179A CN102901957A CN 102901957 A CN102901957 A CN 102901957A CN 2012103611794 A CN2012103611794 A CN 2012103611794A CN 201210361179 A CN201210361179 A CN 201210361179A CN 102901957 A CN102901957 A CN 102901957A
- Authority
- CN
- China
- Prior art keywords
- laser
- array
- multispectral
- stripe
- wavelength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a receiving device for three-dimensional (3D) multispectral detection of a stripe tube laser radar and belongs to the technical field of photoelectric imaging. The receiving device comprises a receiving telescope, an optical splitting grating, a multi-wavelength transformation system, a collimating micro lens array, a strip tube, a coupling light cone, a charge coupled device (CCD) camera and a computer, wherein the multi-wavelength transition system is formed by a photoelectric detector array, a transresistance amplifier array, a transconductance amplifier array and a vertical cavity surface laser emitter array. The receiving device solves the problem caused by multi-wavelength transformation of a stripe tube laser radar 3D multispectral detection system, transforms multi-wavelength laser containing target multiple spectra and 3D information into laser with wavelengths which a photoelectric cathode of the strip tube corresponds to, has the advantages of being high in transformation efficiency and wide in transformation band, and can be widely applied to the 3D multispectral detection of the stripe tube laser radar.
Description
Technical field
The present invention relates to a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing, belong to the photoelectric imaging technology field.
Background technology
Multi-optical spectrum imaging technology is different from traditional single wave band imaging technique, it combines imaging technique and spectral measurement methods, the information of obtaining not only comprises two-dimensional space information, also comprise the Spectral Radiation Information with Wavelength distribution, form so-called data cube, expanded the function of traditional Detection Techniques, it is a qualitative leap of detecting technique, the maximum characteristics of this technology are to be divided into a plurality of spectrum ends with the work spectral region are meticulous, and simultaneously at each spectral coverage to target scene imaging detection.Because most materials have the feature of its unique radiation, reflection or absorption spectrum, therefore according to the object spectrum difference feature that detects on the detector, can differentiate accurately target component corresponding to pixel.Three-dimensional imaging is combined with multispectral, form the multispectral active probe technology of 3D, utilize the three-dimensional information of target and multispectral information to survey simultaneously, can further improve the accuracy of target detection.
Wavelength converter is the gordian technique that realizes the 3D multispectral sensing, and on the principle, a lot of technology can be finished the conversion of wavelength.For example can utilize nonlinear optical technique such as Raman scattering, stimulated Raman scattering and harmonic frequency to produce and realize the wavelength conversion.Yet, the optical devices of these Technology Need complexity, and conversion efficiency depends on the light intensity of conversion.This conversion efficiency is not suitable for the laser radar receiving end to the method that light intensity relies on, because the signal of receiving end very weak (at the micromicrowatt order of magnitude).In addition, this method is difficult to obtain high wavelength conversion efficiency.In some cases, can strengthen by the wavelength conversion efficiency that improves receiving end the gain of light of receiving end.Yet this technology can improve complexity and the cost of receiving end greatly.The wavelength conversion that the nonlinear optics that is different from Wavelength converter of the present invention realizes, it does not change specific light wavelength, just realizes the transformation of wavelength by the light-to-current inversion mode.
Summary of the invention
The present invention is in order to solve the problem of multi-wavelength conversion in the present stripe pipe laser infrared radar 3D multispectral sensing, to propose a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing.
The objective of the invention is to be achieved through the following technical solutions.
A kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing of the present invention, this device comprise receiving telescope, spectro-grating, multi-wavelength converting system, collimation microlens array, striped pipe, coupling light cone, CCD camera, computing machine.Wherein the multi-wavelength converting system is made of photodetector array, transreactance amplifier array, trsanscondutance amplifier array, vertical cavity surface generating laser array.
Described photodetector array is the PIN photodiode arrays such as InGaAs or PbSe.
The effect of described transreactance amplifier array is the voltage that current conversion is become to amplify, and signal is carried out one-level amplify, and enlargement factor is 40-50 times;
The effect of described trsanscondutance amplifier array is with the electric current of voltage transitions for amplifying, and signal is carried out secondary amplify, and enlargement factor is 40-50 times.
Described planar laser with vertical cavity is the laser instrument of a kind of outgoing beam direction and semiconductor epitaxial wafer Surface Vertical, and the optical maser wavelength of this planar laser with vertical cavity emission is identical with the wavelength response peak of the negative electrode of striped pipe.
The course of work is: receiving telescope receives and converges to spectro-grating with the target multiwavelength laser bundle multispectral and 3D information that contains behind target scattering, form the echo laser beam of different wave length after the mixing multiwavelength laser bundle light splitting that spectro-grating will receive, the echo laser beam irradiation of different wave length is to photodetector array, photodetector array carries out opto-electronic conversion to the multi-wavelength echo laser beam of varying strength, form and the directly proportional current signal of incident intensity, the transreactance amplifier array converts current signal to the voltage signal of amplification, signal is carried out one-level to be amplified, the trsanscondutance amplifier array converts voltage signal to the current signal of amplification, signal is carried out secondary to be amplified, current signal after secondary amplifies drives the laser of vertical cavity surface generating laser emission Same Wavelength different light intensity, planar laser with vertical cavity emitting laser light intensity magnitude is determined by driving current signal, from the planar laser with vertical cavity emitting laser through on many slits of the photocathode that shines many slits striped pipe behind the collimation microlens array collimation and produce the multi-beam electron beam, the multi-beam electron beam accelerates the video screen of deflection bombardment striped pipe inside by the high tension circuit of striped pipe inside, and in the video screen zones of different, form multispectral image, the multispectral stripe pattern of formed video screen is by being coupled light cone coupling imaging on the CCD camera, formation contains the stripe pattern of the multispectral and 3D information of target, and the stripe pattern of formation is sent into the 3-D view that reconstructs after the Computer Processing with the multispectral information of target to be measured;
Above-mentioned CCD camera and striped tube fluorescent screen are by the coupling of coupling light cone, and the electrical signal of CCD camera links to each other with computing machine.
Beneficial effect
The invention solves the multi-wavelength conversion difficult problem of stripe pipe laser infrared radar 3D multispectral sensing system, to contain multispectral and multiwavelength laser 3D information of target and convert the wavelength that striped pipe photocathode can respond to, has the conversion efficiency height, the advantage that transfer zone is wide can be widely used in stripe pipe laser infrared radar 3D multispectral sensing.
Description of drawings
Fig. 1 is the receiving trap structural representation that is used for stripe pipe laser infrared radar 3D multispectral sensing among the embodiment;
Wherein, 1-receiving telescope, 2-spectro-grating, 3-multi-wavelength converting system, 4-collimation microlens array, 5-striped pipe, the 6-light cone that is coupled, the 7-CCD camera, the 8-computing machine, 9-photodetector array, 10-transreactance amplifier array, 11-trsanscondutance amplifier array, 12-vertical cavity surface generating laser array.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Embodiment
A kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing, as shown in Figure 1, this device comprises receiving telescope 1, spectro-grating 2, multi-wavelength converting system 3, collimation microlens array 4, striped pipe 5, coupling light cone 6, CCD camera 7 and computing machine 8, wherein multi-wavelength converting system 3 is made of photodetector array 9, transreactance amplifier array 10, trsanscondutance amplifier array 11 and vertical cavity surface generating laser array 12.
Described photodetector array 9 is made of InGaAs or the PbSe PIN photodiode that wavelength response peak is respectively λ 1=1064nm, λ 2=532nm, λ 3=355nm.
The effect of described transreactance amplifier array 10 is the voltage that current conversion is become to amplify, and signal is carried out one-level amplify, and enlargement factor is 50 times
The effect of described trsanscondutance amplifier array 11 is electric currents that the voltage transitions after one-level is amplified becomes to amplify, and signal is carried out secondary amplify, and enlargement factor is 50 times
The optical maser wavelength of described vertical cavity surface generating laser array 12 emissions is λ 4=650nm;
The photocathode face peak value of response of described striped pipe 5 is λ 4=650nm;
The course of work is: receiving telescope 1 will contain the mixing multiwavelength laser bundle λ 1 of the multispectral and 3D information of target, λ 2, λ 3 receives and converges to spectro-grating 2, form wavelength after the mixing multiwavelength laser bundle light splitting that spectro-grating 2 will receive and be respectively λ 1, λ 2, the echo laser beam of λ 3, wavelength is λ 1, λ 2, the echo laser beam of λ 3 exposes to respectively photodetector array 9,9 pairs of wavelength of photodetector array are λ 1, λ 2, the echo laser beam of λ 3 is carried out respectively opto-electronic conversion, form and the directly proportional current signal of incident intensity, transreactance amplifier array 10 converts current signal to the voltage signal of amplification, signal is carried out one-level to be amplified, voltage signal after trsanscondutance amplifier array 11 amplifies one-level converts the current signal of amplification to, signal is carried out secondary to be amplified, driving planar laser with vertical cavity array 12 emission Same Wavelengths through the current signal after the secondary amplification is the laser of λ 4 different light intensity, the wavelength of vertical cavity surface generating laser outgoing is that the laser intensity size of λ 4 is by the drive current size decision of correspondence, be that the laser of λ 4 shines after through collimation microlens array 4 collimations on many slits of many slits striped pipe 5 that the photocathode wavelength response peak is λ 4 and produces the multi-beam electron beam from the wavelength of vertical cavity surface generating laser outgoing, the multi-beam electron beam accelerates the video screen of deflection bombardment striped pipe inside by the high tension circuit of striped pipe inside, and in the video screen zones of different, form multispectral stripe pattern, the multispectral stripe pattern of formed video screen is by being coupled light cone 6 coupling imagings on CCD camera 7, formation contains the stripe pattern of the multispectral and 3D information of target, and the stripe pattern of formation is sent into the 3-D view that reconstructs after computing machine 8 is processed with the multispectral information of target to be measured;
Above-mentioned CCD camera 7 is coupled by coupling light cone 6 with the video screen of striped pipe 5, and the electrical signal of CCD camera 7 links to each other with computing machine 8.
Principle of work: described a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing has adopted by vertical cavity surface generating laser array 12 and has been the technology of main body, after the mixing multi-wavelength echo laser beam of target reflection is passed through spectro-grating 2 light splitting, form wavelength and be respectively λ 1, λ 2, the echo laser beam of λ 3, wavelength is respectively λ 1, λ 2, the echo laser beam of λ 3 converts to and the directly proportional current signal i1 of incident intensity by photodetector array 9, i2, i3, current signal i1, i2, i3 converts the voltage signal A*v1 of amplification to through transreactance amplifier array 10, A*v2, A*v3, wherein A is the mutual resistance gain of transreactance amplifier array 10, signal is carried out one-level to be amplified, voltage signal after the amplification converts the current signal B*A*i1 of amplification to through trsanscondutance amplifier array 11, B*A*i2, B*A*i3, wherein B is the transadmittance gain of trsanscondutance amplifier array 11, signal is carried out secondary to be amplified, current signal B*A*i1 after the amplification, it is the laser of 650nm that B*A*i2, B*A*i3 drive respectively planar laser with vertical cavity transmitter array 12 emission wavelengths, and light intensity is respectively I1, I2, I3, light intensity I1, I2, I3 and current signal B*A*i1, B*A*i2, B*A*i3 variation in direct ratio, the laser of vertical cavity surface generating laser 12 emissions is incident to the photocathode of many slits striped pipe behind the microlens array collimation, and generation multi-beam electron beam, the multibeam electron bundle is fluorescence excitation on the video screen of striped pipe, and forms the stripe pattern that contains the multispectral and 3D information of target by coupling light cone 6 at CCD camera 7, and the stripe pattern of formation is sent into the 3-D view that reconstructs after computing machine 8 is processed with the multispectral information of target to be measured.
Claims (7)
1. receiving trap that is used for stripe pipe laser infrared radar 3D multispectral sensing, it is characterized in that: this device comprises receiving telescope (1), spectro-grating (2), multi-wavelength converting system (3), collimation microlens array (4), striped pipe (5), coupling light cone (6), CCD camera (7) and computing machine (8), and wherein multi-wavelength converting system (3) is made of photodetector array (9), transreactance amplifier array (10), trsanscondutance amplifier array (11) and vertical cavity surface generating laser array (12);
Receiving telescope (1) will contain the multispectral and laser beam of target and receive and converge to spectro-grating (2), spectro-grating (2) forms the echo laser beam after with the laser beam light splitting that receives, the echo laser beam exposes to respectively photodetector array (9), photodetector array (9) carries out respectively opto-electronic conversion to the echo laser beam, form and the directly proportional current signal of incident intensity, transreactance amplifier array (10) converts current signal to the voltage signal of amplification, signal is carried out one-level to be amplified, voltage signal after trsanscondutance amplifier array (11) amplifies one-level converts the current signal of amplification to, signal is carried out secondary to be amplified, drive the laser of planar laser with vertical cavity array 12 emission Same Wavelength different light intensity through the current signal after the secondary amplification, vertical cavity surface generating laser shoot laser light intensity magnitude is determined by the drive current size of correspondence, shine on many slits of many slits striped pipe (5) after through collimation microlens array (4) collimation and produce the multi-beam electron beam from vertical cavity surface generating laser shoot laser, the multi-beam electron beam accelerates the video screen of deflection bombardment striped pipe inside by the high tension circuit of striped pipe inside, and in the video screen zones of different, form multispectral stripe pattern, the multispectral stripe pattern of formed video screen is by being coupled light cone (6) coupling imaging on CCD camera (7), formation contains the stripe pattern of the multispectral and 3D information of target, and the stripe pattern of formation is sent into the 3-D view that reconstructs after computing machine (8) is processed with the multispectral information of target to be measured;
Above-mentioned CCD camera (7) is coupled by coupling light cone (6) with the video screen of striped pipe (5), and the electrical signal of CCD camera (7) links to each other with computing machine (8).
2. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 1, it is characterized in that: photodetector array (9) is made of photodiode.
3. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 2, it is characterized in that: photodetector array (9) is made of InGaAs or the PbSe PIN photodiode that wavelength response peak is respectively λ 1=1064nm, λ 2=532nm, λ 3=355nm.
4. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 1 is characterized in that: transreactance amplifier array (10) carries out one-level to signal and amplifies, enlargement factor be 40-50 doubly.
5. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 1 is characterized in that: trsanscondutance amplifier array (11) carries out secondary to signal and amplifies, enlargement factor be 40-50 doubly.
6. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 1 is characterized in that: the optical maser wavelength of vertical cavity surface generating laser array (12) emission is λ 4=650nm.
7. a kind of receiving trap for stripe pipe laser infrared radar 3D multispectral sensing according to claim 1, it is characterized in that: the photocathode face peak value of response of striped pipe (5) is λ 4=650nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103611794A CN102901957A (en) | 2012-09-25 | 2012-09-25 | Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103611794A CN102901957A (en) | 2012-09-25 | 2012-09-25 | Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102901957A true CN102901957A (en) | 2013-01-30 |
Family
ID=47574298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103611794A Pending CN102901957A (en) | 2012-09-25 | 2012-09-25 | Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102901957A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122562A (en) * | 2014-07-28 | 2014-10-29 | 兰州大学 | Multiband Raman-fluorescence laser radar system |
| CN104459670A (en) * | 2014-12-04 | 2015-03-25 | 北京理工大学 | Multispectral sensing wavelength conversion system based on optical fiber array |
| CN104597436A (en) * | 2015-01-15 | 2015-05-06 | 北京理工大学 | Spectrum light splitting device applied to imaging laser radar |
| CN105136290A (en) * | 2015-10-19 | 2015-12-09 | 成都麟鑫泰来科技有限公司 | Method of realizing overall gain consistency of multichannel photoelectric detection device and device |
| CN105759248A (en) * | 2015-12-01 | 2016-07-13 | 中国科学院上海技术物理研究所 | Radar data processing device and signal data processing method |
| CN106646426A (en) * | 2016-12-27 | 2017-05-10 | 中国科学技术大学 | All-fiber laser radar for multi-transmitting single-receiving telescope array |
| CN107250841A (en) * | 2015-02-19 | 2017-10-13 | 皇家飞利浦有限公司 | Infrared laser light irradiation apparatus |
| CN107302693A (en) * | 2016-04-14 | 2017-10-27 | 红梓有限公司 | Three-dimensional filming system and the mobile phone with three-dimensional filming system |
| CN106154286B (en) * | 2016-07-27 | 2018-06-08 | 北京理工大学 | A kind of multispectral streak tube laser imaging system of novel Non-scanning mode |
| CN108152268A (en) * | 2018-01-08 | 2018-06-12 | 威海怡和专用设备制造有限公司 | LIBS spectrum investigating systems based on streak tube |
| CN109040544A (en) * | 2018-08-01 | 2018-12-18 | 中国工程物理研究院流体物理研究所 | Optics time-marking device and streak tube scanning camera system |
| CN109991620A (en) * | 2019-04-02 | 2019-07-09 | 哈尔滨工业大学（威海） | The imaging method of streak tube laser imaging radar system based on cathode gating |
| CN113267762A (en) * | 2020-02-17 | 2021-08-17 | 上海禾赛科技有限公司 | Laser radar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040031906A1 (en) * | 2000-04-26 | 2004-02-19 | Glecker Anthony D | Very fast time resolved imaging in multiparameter measurement space |
| US7652752B2 (en) * | 2005-07-14 | 2010-01-26 | Arete' Associates | Ultraviolet, infrared, and near-infrared lidar system and method |
| CN101876709A (en) * | 2009-12-14 | 2010-11-03 | 哈尔滨工业大学 | Stripe pipe laser infrared radar imaging detection system |
| CN102253394A (en) * | 2011-04-21 | 2011-11-23 | 北京理工大学 | Multispectral stripe tube three-dimensional lidar imaging apparatus |
-
2012
- 2012-09-25 CN CN2012103611794A patent/CN102901957A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040031906A1 (en) * | 2000-04-26 | 2004-02-19 | Glecker Anthony D | Very fast time resolved imaging in multiparameter measurement space |
| US7652752B2 (en) * | 2005-07-14 | 2010-01-26 | Arete' Associates | Ultraviolet, infrared, and near-infrared lidar system and method |
| CN101876709A (en) * | 2009-12-14 | 2010-11-03 | 哈尔滨工业大学 | Stripe pipe laser infrared radar imaging detection system |
| CN102253394A (en) * | 2011-04-21 | 2011-11-23 | 北京理工大学 | Multispectral stripe tube three-dimensional lidar imaging apparatus |
Non-Patent Citations (1)
| Title |
|---|
| ANTHONY D. GLECKLER 等: "Multispectral and hyperspectral 3D imaging lidar based upon the multiple slit streak tube imaging lidar", 《PROCEEDINGS OF SPIE》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122562A (en) * | 2014-07-28 | 2014-10-29 | 兰州大学 | Multiband Raman-fluorescence laser radar system |
| CN104459670B (en) * | 2014-12-04 | 2017-08-11 | 北京理工大学 | A kind of multispectral sensing Wavelength conversion system based on fiber array |
| CN104459670A (en) * | 2014-12-04 | 2015-03-25 | 北京理工大学 | Multispectral sensing wavelength conversion system based on optical fiber array |
| CN104597436A (en) * | 2015-01-15 | 2015-05-06 | 北京理工大学 | Spectrum light splitting device applied to imaging laser radar |
| CN104597436B (en) * | 2015-01-15 | 2017-08-11 | 北京理工大学 | A kind of spectrum device applied to imaging laser radar |
| CN107250841A (en) * | 2015-02-19 | 2017-10-13 | 皇家飞利浦有限公司 | Infrared laser light irradiation apparatus |
| CN105136290A (en) * | 2015-10-19 | 2015-12-09 | 成都麟鑫泰来科技有限公司 | Method of realizing overall gain consistency of multichannel photoelectric detection device and device |
| CN105759248A (en) * | 2015-12-01 | 2016-07-13 | 中国科学院上海技术物理研究所 | Radar data processing device and signal data processing method |
| CN105759248B (en) * | 2015-12-01 | 2019-04-02 | 中国科学院上海技术物理研究所 | A kind of radar data processing unit and signal-data processing method |
| CN107302693A (en) * | 2016-04-14 | 2017-10-27 | 红梓有限公司 | Three-dimensional filming system and the mobile phone with three-dimensional filming system |
| CN107302693B (en) * | 2016-04-14 | 2019-06-14 | 东莞市棒棒糖电子科技有限公司 | Three-dimensional filming system and mobile phone with three-dimensional filming system |
| CN106154286B (en) * | 2016-07-27 | 2018-06-08 | 北京理工大学 | A kind of multispectral streak tube laser imaging system of novel Non-scanning mode |
| CN106646426A (en) * | 2016-12-27 | 2017-05-10 | 中国科学技术大学 | All-fiber laser radar for multi-transmitting single-receiving telescope array |
| CN106646426B (en) * | 2016-12-27 | 2019-04-26 | 中国科学技术大学 | A kind of full optical fiber laser radar of multiple illuminators and single receiver telescope array |
| CN108152268A (en) * | 2018-01-08 | 2018-06-12 | 威海怡和专用设备制造有限公司 | LIBS spectrum investigating systems based on streak tube |
| CN109040544A (en) * | 2018-08-01 | 2018-12-18 | 中国工程物理研究院流体物理研究所 | Optics time-marking device and streak tube scanning camera system |
| CN109991620A (en) * | 2019-04-02 | 2019-07-09 | 哈尔滨工业大学（威海） | The imaging method of streak tube laser imaging radar system based on cathode gating |
| CN113267762A (en) * | 2020-02-17 | 2021-08-17 | 上海禾赛科技有限公司 | Laser radar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102901957A (en) | Receiving device for three-dimensional (3D) multispectral detection of stripe tube laser radar | |
| US20180275274A1 (en) | High resolution lidar using multi-stage multi-phase signal modulation, integration, sampling, and analysis | |
| Wang et al. | Non-line-of-sight imaging with picosecond temporal resolution | |
| CN102253394B (en) | Multispectral stripe tube three-dimensional lidar imaging apparatus | |
| CN110456324B (en) | Integrated phased array laser radar system | |
| US9341567B2 (en) | Terahertz wave generation device, light source device, camera, imaging device, and measurement device | |
| CN104458696A (en) | Digital micro-mirror element based micro curing raman spectrometer | |
| CN112198668B (en) | Optical field reconstruction system and method for generating vortex light beam by coherent synthesis of fiber laser | |
| CN106772426B (en) | System for realizing remote laser high-sensitivity single photon imaging | |
| CN104459670A (en) | Multispectral sensing wavelength conversion system based on optical fiber array | |
| US7710639B2 (en) | System and method for uniform illumination of a target area | |
| US20170309360A1 (en) | Single cell apparatus and method for single ion addressing | |
| CN115855252B (en) | Single photon sensitivity ultrafast spectrum measurement and spectrum imaging device and method | |
| US10186406B2 (en) | Multi-channel photomultiplier tube assembly | |
| CN115267822B (en) | High-uniformity scanning type single-photon laser three-dimensional radar imaging system and imaging method | |
| JP5765086B2 (en) | Terahertz wave generator, camera, imaging device, and measuring device | |
| WO2021164067A1 (en) | Systems and methods for improving lidar performance | |
| Nomerotski et al. | Intensified Tpx3Cam, a fast data-driven optical camera with nanosecond timing resolution for single photon detection in quantum applications | |
| CN107478628A (en) | A kind of two-photon fluorescence microscopic method and device based on photon restructuring | |
| JPS61182534A (en) | Multi-channel simultaneous measuring device of very high speed optical phenomenon | |
| CN210427349U (en) | Fluorescence test equipment and system | |
| CN105588826A (en) | Femtosecond time resolution multi-channel lock-phase fluorescence spectrophotometer based on optical parametric amplification | |
| CN111913164A (en) | Laser detection system and detection method thereof | |
| US20220268697A1 (en) | Electro-optical semi-transparent photonic up-converter | |
| CN106154286B (en) | A kind of multispectral streak tube laser imaging system of novel Non-scanning mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130130 |