CN206671566U - A kind of multi-wavelength polarizes Raman laser radar system - Google Patents
A kind of multi-wavelength polarizes Raman laser radar system Download PDFInfo
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- CN206671566U CN206671566U CN201720450254.2U CN201720450254U CN206671566U CN 206671566 U CN206671566 U CN 206671566U CN 201720450254 U CN201720450254 U CN 201720450254U CN 206671566 U CN206671566 U CN 206671566U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
A kind of multi-wavelength polarization Raman laser radar system, including Laser emission subsystem are the utility model is related to, for launching the laser beam of specified wavelength；Optics receiving subsystem, for receiving the laser beam caused rear orientation light after air, and couple it to optical spectroscopic subsystem；The optical spectroscopic subsystem, for providing at least two transmission lines, it is respectively used to transmit the optical signal of different wave length, and the optical signal extracted is converted into electric signal；Data acquisition subsystem, for receiving the electric signal exported from the optical spectroscopic subsystem and Treatment Analysis.Light is divided into the light of at least two-way different wave length by above-mentioned radar system, the round-the-clock detection at least two parameters in the parameters such as Aerosol Extinction Coefficients, aerosol depolarization ratio, steam can be realized simultaneously, so as to reduce detection cost, save the time and mitigate experimental work amount.
Description
Technical field
Atmospheric laser remote sensing technology field is the utility model is related to, more particularly to a kind of multi-wavelength polarization Raman lidar
System.
Background technology
Various change ceaselessly occurs for form, the property of atmospheric aerosol particle, and atmosphere vapour is to influence this change
The most important factor.Steam condenses on aerosol particle surface so that particle increases.This hydrophilic growth is to its optical property
Influence, it has also become the important research topic of aerosol and one, climate change field.
Laser radar is using laser as transmitting light source, is sharp using detecting technique means active remote sensing equipment
The advanced Detection Techniques that light technology is combined with modern detecting technique.Because laser radar has detectivity height, space
The advantages that high resolution, it has also become carry out the effective ways of high-precision remote sensing to air, ocean and land at present.At present,
Laser radar is mostly Single wavelength, single parameter measurement, is influenceed to accurately study and assess the natural environment and climate of aerosol and steam,
It is generally necessary to take multiple measurements, great amount of cost and time are expended.
Utility model content
The purpose of this utility model is to improve the deficiency in the presence of prior art, there is provided a kind of multi-wavelength polarizes Raman
Laser radar system.
In order to realize above-mentioned purpose of utility model, the utility model embodiment provides following technical scheme：
A kind of multi-wavelength polarizes Raman laser radar system, including：
Laser emission subsystem, for launching the laser beam of specified wavelength；
Optics receiving subsystem, for receiving the laser beam caused rear orientation light after air, and by its coupling
It is bonded to optical spectroscopic subsystem；
The optical spectroscopic subsystem, for providing at least two transmission lines, at least two transmission lines difference
Electric signal is converted to for transmitting the optical signal of different wave length, and by the optical signal extracted；
Data acquisition subsystem, for receiving the electric signal exported from the optical spectroscopic subsystem and Treatment Analysis.
In one embodiment, the Laser emission subsystem includes：
Pulse laser, for launching the laser beam of specified wavelength；
Collimator and extender device, for the laser beam of the specified wavelength to be carried out into collimator and extender.
In one embodiment, the optics receiving subsystem includes：
Telescope, for receiving the laser beam caused rear orientation light after air, and couple it to optics
It is divided subsystem；
Diaphragm, for suppressing sun ambient noise.
In one embodiment, the optical spectroscopic subsystem includes：
Light-dividing device, for the light being emitted from optics receiving subsystem to be divided into at least two-way；
At least two filtering apparatus, it is respectively used to pass through different specified wavelength optical signals, a filtering apparatus corresponds to
Penetrate the optical signal all the way from light-dividing device outgoing；
Photodetector, equal with the quantity of filtering apparatus, the corresponding filtering apparatus of a photodetector is set, and is used
Electric signal is converted in the specified wavelength optical signal that will transmit through filtering apparatus.
In the scheme being more highly preferred to, the optical spectroscopic subsystem also includes polarising means, for being filtered one of
The polarization of light of electro-optical device output is horizontal light and vertical light.
In the scheme being more highly preferred to, the optical spectroscopic subsystem also includes collector lens, the number with photodetector
Measure equal, the corresponding photodetector of collector lens is set, for will be from the filtering apparatus or the polarising means
The light collection of outgoing is in the photodetector.
As a kind of specific embodiment, the light-dividing device includes at least one dichroic piece, a dichroic piece
The light received is divided into two-way；When dichroic piece is two and the above, two and above dichroic piece are set gradually, preceding
Wherein input light of the light as the latter dichroic piece all the way of one dichroic piece.
As a kind of specific embodiment, the first interferometric filter that centre wavelength is 355nm, centre wavelength are
The 3rd interferometric filter that 532nm the second interferometric filter, centre wavelength are 607nm, the 4th that centre wavelength is 660nm are dry
Relate to optical filter, centre wavelength is any at least two in 1064nm the 5th interferometric filter.Pass through the interference of different wave length
Optical filter selects the light of needs.
In any of the above-described embodiment, the multi-wavelength polarization Raman laser radar system also includes amplification of differentiating
System, after the current signal for the photodetector to be exported carries out differential amplification, be converted to voltage signal and export to number
According to acquisition subsystem.
Compared with prior art, the beneficial effects of the utility model：Above-mentioned radar system can disposably analyze at least two
Kind specified wavelength light, i.e. can realize simultaneously in the parameters such as Aerosol Extinction Coefficients, aerosol depolarization ratio, steam
At least two parameters round-the-clock detection, so as to reduce detection cost, saving the time simultaneously mitigates experimental work amount.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation that the multi-wavelength that the utility model embodiment provides polarizes Raman laser radar system.
Description of symbols in figure
5-Nd:YAG solid pulse lasers；6- collimator and extender devices；7- telescopes；8 diaphragms；9- data acquisition subsystems；
10- high voltage power supplies；11- the first dichroic pieces；12- the second dichroic pieces；The dichroic pieces of 13- the 3rd；4th dichroic piece；21-
Devating prism；The interferometric filters of 31- first；The interferometric filters of 32- second；The interferometric filters of 33- the 3rd；The interference filters of 34- the 4th
Mating plate；The interferometric filters of 35- the 5th；The planoconvex spotlights of 41- first；The planoconvex spotlights of 42- second；The planoconvex spotlights of 43- the 3rd；44-
Four planoconvex spotlights；The planoconvex spotlights of 45- the 5th；The photomultipliers of 51- first；The photomultipliers of 52- second；The photoelectricity times of 53- the 3rd
Increase pipe；The photomultipliers of 54- the 4th；The photomultipliers of 55- the 5th；61- avalanche diodes；The total reflective mirrors of 71- first；72- second
Total reflective mirror.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.It is meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
The utility model provides a kind of multi-wavelength polarization Raman laser radar system, and the system includes：
Laser emission subsystem, for launching the laser beam of specified wavelength, such as fundamental frequency wavelength 1064nm laser beam, two
Frequency-doubled wavelength 532nm laser beam, frequency tripling wavelength 355nm laser beam etc..
Optics receiving subsystem, for receiving the laser beam caused rear orientation light after air, and by its coupling
It is bonded to optical spectroscopic subsystem；Radiating laser beams produce scattering effect into air, with particle, molecule etc. in air, and produce
Rear orientation light, rear orientation light optics receiving subsystem are reclaimed.
The optical spectroscopic subsystem, there is provided at least two transmission lines, be respectively used to transmit the light letter of different wave length
Number, and the optical signal extracted is converted into electric signal.
Data acquisition subsystem, for receiving the electric signal exported from the optical spectroscopic subsystem and Treatment Analysis.
As a kind of citing of embodiment, Laser emission subsystem can include：Pulse laser, refer to for launching
The laser beam of standing wave length；Collimator and extender device, for the laser beam of the specified wavelength to be carried out into collimator and extender.
As a kind of citing of embodiment, optics receiving subsystem can include：Telescope, it is described sharp for receiving
Light beam caused rear orientation light after air, and couple it to optical spectroscopic subsystem；Diaphragm, for suppressing the sun back of the body
Scape noise.
As a kind of citing of embodiment, optical technology subsystem can include：Light-dividing device, for will be from optics
The light being emitted in receiving subsystem is divided at least two-way；At least two filtering apparatus, it is respectively used to pass through different specified ripples
Long optical signal, all the way optical signal of the corresponding transmission of a filtering apparatus from light-dividing device outgoing；Photodetector, with optical filtering
The quantity of device is equal, and the corresponding filtering apparatus of a photodetector is set, for will transmit through the specified ripple of filtering apparatus
Long optical signal is converted to electric signal.
Further, light-dividing device can include at least one dichroic piece, the light that a dichroic piece will receive
It is divided into two-way；When dichroic piece is two and the above, two and above dichroic piece are set gradually, previous dichroic piece
Wherein input light of the light as the latter dichroic piece all the way.
As a kind of citing of embodiment, filtering apparatus can be：Centre wavelength is 355nm the first interference filter
The second interferometric filter that piece, centre wavelength are 532nm, the 3rd interferometric filter that centre wavelength is 607nm, centre wavelength are
Any at least two in 660nm the 4th interferometric filter, the 5th interferometric filter that centre wavelength is 1064nm.
In further perfect scheme, above-mentioned beam splitting system also includes polarising means, for one of filter to be filled
The polarization of light for putting output is horizontal light and vertical light.Polarising means can be devating prism.
In further perfect scheme, above-mentioned beam splitting system also includes collector lens, the quantity and light of collector lens
The quantity of electric explorer is equal, and the corresponding photodetector of a collector lens is set, for will go out from the filtering apparatus
The light collection penetrated is in the photodetector.Collector lens can be planoconvex spotlight, and photodetector can be photoelectricity times
Increase pipe or avalanche diode.
Below in conjunction with the accompanying drawings and one more specifically embodiment to the multi-wavelength polarization Raman lidar light splitting system
System illustrates.
Referring to Fig. 1, present embodiments providing a kind of multi-wavelength polarization Raman laser radar system, mainly include laser and send out
Penetrate subsystem, optics receiving subsystem, optical spectroscopic subsystem and data acquisition subsystem.
Specifically, Laser emission subsystem includes Nd:YAG solid pulse lasers 5, collimator and extender device 6 and first are all-trans
Mirror 71, passes through Nd:The front end of YAG solid pulse lasers 5 increases by two frequency-doubling crystals and frequency tripling crystal, can make laser simultaneously
Launch fundamental frequency wavelength 1064nm, two frequency-doubled wavelength 532nm and frequency tripling wavelength 355nm three wavelength laser beams；Collimator and extender device 6
It is placed on Nd:The front end of YAG solid pulse lasers 5, the angle of divergence of laser beam can be compressed, increase the spot diameter of laser beam,
Ensure directionality；First total reflective mirror 71 can make the laser beam of parallel direction change into vertical direction, big so as to impinge perpendicularly on
In gas, scattering effect occurs with the particle in air, molecule etc., and produce rear orientation light.Set according to each part in system
Situation is put, the first total reflective mirror 71 can also be without setting.
Rear orientation light is reclaimed by optics receiving subsystem.In the present embodiment specifically, optics receiving subsystem bag
Telescope 7, the total reflective mirror 72 of diaphragm 8 and second are included, i.e., reclaims rear orientation light using high power Cassegrain's formula telescope 7, is utilized
Aperture 8 on telescope 7 is effectively suppressed to sun bias light, then by the second total reflective mirror 72 by signal by
Parallel direction is changed into vertical, is coupled into optical spectroscopic subsystem and carries out light-splitting processing.According to the setting feelings of each part in system
Condition, the second total reflective mirror 72 can also be without setting.
Optical spectroscopic subsystem, mainly include the first dichroic piece 11, the second dichroic piece 12, the 3rd dichroic piece 13,
4th dichroic piece 14, devating prism 21, the first interferometric filter 31, the second interferometric filter 32, the 3rd interferometric filter 33,
4th interferometric filter 34, the 5th interferometric filter 35, the first planoconvex spotlight 41, the second planoconvex spotlight 42, the 3rd planoconvex spotlight
43rd, the 4th planoconvex spotlight 44, the 5th planoconvex spotlight 45, the 6th planoconvex spotlight 46, the first photomultiplier 51, the second photomultiplier transit
Pipe 52, the 3rd photomultiplier 53, the 4th photomultiplier 54 and the 5th photomultiplier 55 and avalanche diode 61.
Laser transmitting system launches beam of laser, the laser beam in an atmosphere from the atmospheric substance such as different particles, molecule
Generation scattering effect, scattering light is produced, wherein rear orientation light is reclaimed by optical receiving system, then is polarized by multi-wavelength
Raman lidar beam splitting system carries out light-splitting processing, finally transfers to data acquisition subsystem 9 to carry out data acquisition.Optics receives
The light of system recovery is incident to the first dichroic piece 11, and light is divided into reflection and transmission two-way by the first dichroic piece 11, its
Middle transmission is transmitted backward all the way, and reflection filters out heterogeneous light by the first interferometric filter 31 all the way, and it is 355nm's only to allow wavelength
Optical signal by the first planoconvex spotlight 41 by and being converged in the first photomultiplier 51；By the first dichroic piece 11 to
The transmitted ray transmitted afterwards is directed to the second dichroic piece 12, is equally divided into two-way, continues to transmit backward all the way wherein transmiting, instead
Penetrate all the way then be used for carry out building for channel of polarization；By the reflection light after the second dichroic piece 12, it is dry to first pass through second
Relate to colour filter 32 and filter out heterogeneous light, only allow the optical signal that wavelength is 532nm by then by devating prism 21, by wavelength
532nm light is divided into two-way, is all the way horizontal direction, is all the way vertical direction, and wherein transmissive portion is horizontal direction, and light passes through
Cross the second planoconvex spotlight 42 and converge at the second photomultiplier 52, reflecting part is vertical direction, and light is saturating by the 3rd plano-convex
Mirror 43 converges at the 3rd photomultiplier 53；The transmitted ray transmitted backward by the second dichroic piece 12 is incident to the three or two
To color chips 13, light is divided into two-way by the 3rd dichroic piece 13, and the light of wherein reflecting part is mainly used in vibrating Raman steam
Detection, light passes through the 5th interference filter 35 and filters out heterogeneous light backward all the way for transmission, only allows the light that wavelength is 1064nm
Signal is by then converging in avalanche diode 61 by the 6th planoconvex spotlight 46；For vibrating Raman water vapor detecting part, lead to
The reflection light for crossing the 3rd dichroic piece 13 is incident to the 4th dichroic piece 14, is equally divided into two-way, transmissive portion light warp
Cross the 3rd interferometric filter 33 and filter out heterogeneous light, only allow the nitrogen vibrating Raman scattered signal that wavelength is 607nm by then passing through
4th planoconvex spotlight 44 is converged in the 4th photomultiplier 54, and reflecting part light filters out miscellaneous by the 4th interferometric filter 34
Coloured light, steam vibrating Raman scattered signal that wavelength is 660nm is only allowed by then by the 5th planoconvex spotlight 45 converging at the 5th
In photomultiplier 55.
The a length of 355nm of the received wave of first photomultiplier 51 signal；The a length of 532nm of the received wave of second photomultiplier 52
Signal in parallel direction；Signal in a length of 532nm vertical direction of the received wave of 3rd photomultiplier 53；4th photomultiplier transit
The a length of 607nm of the received wave of pipe 54 nitrogen vibrating Raman scattered signal；The a length of 660nm of the received wave of 5th photomultiplier 55 water
Vapour vibrating Raman scattered signal；The a length of 1064nm of avalanche diode received wave signal.
In the present embodiment, the optical signal that the wavelength of reception is 355nm is converted into electric signal by the first photomultiplier 51,
Data acquisition subsystem 9 is transferred to, is analyzed and processed by data acquisition subsystem 9, it is aerosol rice grain pattern road finally to confirm the light path；
The wavelength of reception is converted into electric signal by the second photomultiplier 52 for the optical signal in 532nm parallel directions, is transferred to data
Acquisition subsystem 9, is analyzed and processed by data acquisition subsystem 9, finally confirms that the light path polarizes parallel channels for aerosol；3rd
The wavelength of reception is converted into electric signal by photomultiplier 53 for the optical signal in 532nm vertical direction, is transferred to data acquisition
Subsystem 9, is analyzed and processed by data acquisition subsystem 9, finally confirms that the light path polarizes vertical channel for aerosol；4th photoelectricity
The optical signal that the wavelength of reception is 660nm is converted into electric signal by multiplier tube 54, data acquisition subsystem 9 is transferred to, by data
Acquisition subsystem 9 analyzes and processes, and it is steam vibrating Raman scatter channel finally to confirm the light path；5th photomultiplier 55 will connect
The wavelength of receipts is that 607nm optical signal is converted into electric signal, is transferred to data acquisition subsystem 9, is divided by data acquisition subsystem 9
Analysis is handled, and it is nitrogen vibrating Raman scatter channel finally to confirm the light path.
In the alternative of the present embodiment, as shown in figure 1, in order that detector normal work for it, it is necessary to provide height
Pressure；High-pressure installation 10 is the first photomultiplier 51, the second photomultiplier 52, the 3rd photomultiplier 53, the 4th photoelectricity times
Increase the photomultiplier 55 of pipe 54 and the 5th and negative high voltage is provided, voltage supply scope is 0 to -1300V；High-pressure installation 9 is avalanche diode
61 provide positive high voltage, and voltage supply scope is 0 to 350V.
In the alternative of the present embodiment, as shown in figure 1, further, in addition to amplification subsystem of differentiating (figure
In do not mark), be arranged on photodetector and between data adopt subsystem 9, primary recipient the first photomultiplier 51, the second light
Electric multiplier tube 52, the 3rd photomultiplier 53, the 4th photomultiplier 54, the 5th photomultiplier 55 and the light of avalanche diode 61
The low current signal that electricity conversion comes, faint current signal are converted to voltage signal, simultaneously after amplification of differentiating
Signal noise is reduced, finally transfers to data acquisition subsystem 9 to carry out data acquisition and processing (DAP).
Data acquisition subsystem 9 mainly includes data collecting card and upper computer control system, and data collecting card mainly connects
Receive by photodetector opto-electronic conversion and by the voltage signal after differential current operational amplifier, change, change by A/D
For data signal, and sampled；Upper computer control system, mainly can be to the sampling rate, record length, sampling of capture card
The parameters such as resolution are configured, while are carried out waveform and shown.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.
Claims (10)
1. a kind of multi-wavelength polarizes Raman laser radar system, it is characterised in that including：
Laser emission subsystem, for launching the laser beam of specified wavelength；
Optics receiving subsystem, for receiving the laser beam caused rear orientation light after air, and couple it to
Optical spectroscopic subsystem；
The optical spectroscopic subsystem, for providing at least two transmission lines, at least two transmission lines are respectively used to
The optical signal of different wave length is transmitted, and the optical signal extracted is converted into electric signal；
Data acquisition subsystem, for receiving the electric signal exported from the optical spectroscopic subsystem and Treatment Analysis.
2. multi-wavelength according to claim 1 polarizes Raman laser radar system, it is characterised in that Laser emission
System includes：
Pulse laser, for launching the laser beam of specified wavelength；
Collimator and extender device, for the laser beam of the specified wavelength to be carried out into collimator and extender.
3. multi-wavelength according to claim 1 polarizes Raman laser radar system, it is characterised in that the optics receives son
System includes：
Telescope, for receiving the laser beam caused rear orientation light after air, and couple it to optical spectroscopic
Subsystem；
Diaphragm, for suppressing sun ambient noise.
4. multi-wavelength according to claim 1 polarizes Raman laser radar system, it is characterised in that optical spectroscopic
System includes：
Light-dividing device, for the light being emitted from optics receiving subsystem to be divided into at least two-way；
At least two filtering apparatus, are respectively used to pass through different specified wavelength optical signals, the corresponding transmission of a filtering apparatus from
The optical signal all the way of the light-dividing device outgoing；
Photodetector, equal with the quantity of filtering apparatus, correspondingly a filtering apparatus is set a photodetector, for inciting somebody to action
Electric signal is converted to through the specified wavelength optical signal of filtering apparatus.
5. multi-wavelength according to claim 4 polarizes Raman laser radar system, it is characterised in that optical spectroscopic
System also includes polarising means, and the polarization of light for one of filtering apparatus to be exported is horizontal light and vertical light.
6. multi-wavelength according to claim 4 polarizes Raman laser radar system, it is characterised in that optical spectroscopic
System also includes collector lens, equal with the quantity of photodetector, and the corresponding photodetector of a collector lens is set,
For the light collection that will be emitted from the filtering apparatus in the photodetector.
7. multi-wavelength according to claim 4 polarizes Raman laser radar system, it is characterised in that the light-dividing device bag
At least one dichroic piece is included, the light received is divided into two-way by a dichroic piece；When dichroic piece be two and more than
When, two and above dichroic piece are set gradually, previous dichroic piece wherein all the way light as the latter dichroic piece
Input light.
8. multi-wavelength according to claim 4 polarizes Raman laser radar system, it is characterised in that the filtering apparatus
For：The first interferometric filter that centre wavelength is 355nm, the second interferometric filter that centre wavelength is 532nm, centre wavelength are
607nm the 3rd interferometric filter, the 4th interferometric filter that centre wavelength is 660nm, the 5th that centre wavelength is 1064nm
Any at least two in interferometric filter.
9. Raman laser radar system is polarized according to any described multi-wavelengths of claim 5-8, it is characterised in that also including micro-
Partite transport calculates amplification subsystem, after the current signal for the photodetector to be exported carries out differential amplification, is converted to voltage
Signal output is to data acquisition subsystem.
10. multi-wavelength according to claim 1 polarizes Raman laser radar system, it is characterised in that the data acquisition
Subsystem includes：
Data collecting card, the electric signal for photodetector to be exported is converted to data signal by A/D, and is sampled；
Upper computer control system, for being configured to the sampling rate, record length, sampling resolution of data collecting card.
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| CN201720450254.2U CN206671566U (en) | 2017-04-25 | 2017-04-25 | A kind of multi-wavelength polarizes Raman laser radar system |
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| CN201720450254.2U CN206671566U (en) | 2017-04-25 | 2017-04-25 | A kind of multi-wavelength polarizes Raman laser radar system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064908A (en) * | 2017-04-25 | 2017-08-18 | 北方民族大学 | A kind of multi-wavelength polarizes Raman lidar beam splitting system |
| CN108919281A (en) * | 2018-04-10 | 2018-11-30 | 中国科学院上海技术物理研究所 | Quantum laser radar based on wavelength time quantum state random interleaving light pulse sequence |
| CN112558106A (en) * | 2020-11-12 | 2021-03-26 | 北京遥测技术研究所 | Satellite-borne atmospheric ocean high repetition frequency laser radar system and detection method |
| CN112805597A (en) * | 2018-10-05 | 2021-05-14 | 英弘精机株式会社 | Laser radar for meteorological observation |
-
2017
- 2017-04-25 CN CN201720450254.2U patent/CN206671566U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064908A (en) * | 2017-04-25 | 2017-08-18 | 北方民族大学 | A kind of multi-wavelength polarizes Raman lidar beam splitting system |
| CN108919281A (en) * | 2018-04-10 | 2018-11-30 | 中国科学院上海技术物理研究所 | Quantum laser radar based on wavelength time quantum state random interleaving light pulse sequence |
| CN112805597A (en) * | 2018-10-05 | 2021-05-14 | 英弘精机株式会社 | Laser radar for meteorological observation |
| CN112558106A (en) * | 2020-11-12 | 2021-03-26 | 北京遥测技术研究所 | Satellite-borne atmospheric ocean high repetition frequency laser radar system and detection method |
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