CN206773190U - High sensitivity gaseous contamination detecting laser radar system - Google Patents
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- CN206773190U CN206773190U CN201720615304.8U CN201720615304U CN206773190U CN 206773190 U CN206773190 U CN 206773190U CN 201720615304 U CN201720615304 U CN 201720615304U CN 206773190 U CN206773190 U CN 206773190U
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 25
- 238000011109 contamination Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000809 air pollutant Substances 0.000 abstract description 3
- 231100001243 air pollutant Toxicity 0.000 abstract description 3
- 238000007405 data analysis Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical compound O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000000926 atmospheric chemistry Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000000041 tunable diode laser absorption spectroscopy Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
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Abstract
The utility model discloses a kind of high sensitivity gaseous contamination detecting laser radar system, including middle tunable IR narrow linewidth high-energy laser, wavelength and power monitoring module, optical transceiver module, aiming module and the data processing module being integrated in one：Middle tunable IR narrow linewidth high-energy laser launches mid-infrared laser, a described mid-infrared laser part carries out wavelength monitoring and power monitoring via wavelength and power monitoring module, another part is emitted to detecting objects by optical transceiver module, and detecting objects are aimed at by aiming at module, the echo-signal that detecting objects reflect mid-infrared laser receives via optical transceiver module again, then is transferred to after data processing module carries out Treatment Analysis and draws dusty gas concentration value.The utility model can carry out monitoring, data analysis in real time to Air Pollutant Discharge concentration index.
Description
Technical field
A kind of laser radar system is the utility model is related to, more particularly to a kind of high sensitivity gaseous contamination exploring laser light
Radar.
Background technology
Laser radar is a kind of active contemporary optics remote sensing equipment, combines conventional radar technology and Modern Laser skill
Art, it is the product that traditional radio or microwave radar extend to optics frequency range.Laser radar spatial and temporal resolution is high, detection blind area
It is small, conventional detection instrument can be relatively well made up not with dusty gas particulate optical characteristic Characteristics of Vertical Distribution in atmospheric sounding
Foot.These particular advantages of laser radar, make it the effective means of detection study atmosphere pollution.In recent decades, greatly
The research and development of gas pollutant is quickly, it has also become an important branch of environmental monitoring.With Modern Laser radar system and technology
Development, laser radar detection atmosphere pollution technology, atmospheric environment, Atmospheric Chemistry, atmospheric radiation monitoring with analysis and
The fields such as climatic prediction are just playing very important effect.
Normal atmospheric pollutant monitoring mode mainly has electric chemical formula, catalytic combustion type, semiconductor-type and infrared-type, base
Single in the instrument probe gas species of these modes, distance is near, short life.Laser gas monitoring technology is to develop in recent years
Come new gas Detection Techniques, feature be it is non-contact without sampling, high sensitivity, the response time soon, can long-haul telemetry.Mesh
Before, the most frequently used spectral technique has the differential optical absorption spectrum of ultraviolet/visible waveband in domestic and international laser radar system
(DOAS), Fourier trasform spectroscopy (FTIR), the tunable semiconductor laser of DIAL (DIAL), infrared band
Absorption spectrum (TDLAS) etc..Prior art uses ultraviolet, near-infrared fixed wave length laser more, and gas absorption is weaker in this wave band,
Laser limited transmission distance in an atmosphere.Many toxic and harmful gas have strong absworption peak (than visible in middle infrared band
Light and near infrared band absorb high several orders of magnitude), infrared band can obtain higher sensitivity, farther detection in utilization
Distance.
Although mid-infrared laser radar is compared with traditional ground environment monitoring device, other wave band of laser radars, have more
Item advantage, but because the technical bottlenecks such as light source, detection perplex, high sensitivity mid-infrared laser radar total solution is at home
Still in space state.Domestic similar-type products focus mostly in ultraviolet band, and sensitivity is limited, do not have mid-infrared laser thunder still
The high sensitivity mature system reached comes out.
Utility model content
Purpose of utility model：The utility model aims to provide one kind and Air Pollutant Discharge concentration index can be carried out in real time
Monitoring, the high sensitivity mid-infrared laser radar system of data analysis.
Technical scheme：A kind of high sensitivity gaseous contamination detecting laser radar system, including in being integrated in one it is infrared
Tunable narrow-linewidth high-energy laser, wavelength and power monitoring module, optical transceiver module, aim at module and data processing mould
Block：Middle tunable IR narrow linewidth high-energy laser launches mid-infrared laser, and a described mid-infrared laser part is via ripple
Long and power monitoring module carries out wavelength monitoring and power monitoring, another part are emitted to detection target by optical transceiver module
Thing, and detecting objects are aimed at by aiming at module, the echo that detecting objects reflect mid-infrared laser is believed
Number received again via optical transceiver module, then be transferred to after data processing module carries out Treatment Analysis and draw dusty gas concentration
Value；Described wavelength and power monitoring module include infrared detector in the first spectroscope, the second spectroscope, first, gas is inhaled
Infrared detector in receives pond and second, the first spectroscope are infrared during middle tunable IR narrow linewidth high-energy laser is launched
Laser is divided into two beams, a branch of to optical transceiver module transmission, and another beam, which is exported to the second spectroscope, the second spectroscope, divides light beam
For two-way, infrared detector and gas absorption cell in being transferred to first respectively, infrared spy in being connected with second after gas absorption cell
Device is surveyed, infrared detector can realize wavelength monitoring and power monitoring in infrared detector and second in first.
Further, the optical transceiver module includes expanding microscope group, middle ir reflector, the in scanning storehouse
One speculum and the second speculum, parabolic mirror, secondary mirror, optics receive probe unit, middle ir reflector and first anti-
Penetrate mirror to be parallel to each other, realize vertical scanning；First speculum and the second speculum are parallel to each other, and realize horizontal sweep；Beam expanding lens
Group exports after the angle of divergence of the mid-infrared laser is compressed will after compression to middle ir reflector, middle ir reflector
Mid-infrared laser vertically reflex to the first speculum after, horizontal reflection is to the second speculum again for the first speculum, the second reflection
Mid-infrared laser is finally reflexed to detecting objects by mirror；After the echo-signal that detecting objects reflect is by backtracking,
Transmitted successively via parabolic mirror, secondary mirror to optics again and receive probe unit.
Further, described optics receives aperture, the first collimation that probe unit includes setting gradually along light path
Lens, narrow band filter slice, condenser lens, the second collimation lens and middle ultrared single-photon detector, the echo-signal is by visual field
Behind diaphragm control field of view of receiver angle, narrow band filter slice is inserted after the first collimation lens and rejects ambient noise, then line focus lens
The echo-signal is detected by single-photon detector with after the second collimation lens.
Preferably, it is described expand microscope group the angle of divergence of the mid-infrared laser is compressed to after 0.2mrad export it is red in
External mirror.
Preferably, the vertical scanning scope is 0~90 °, and horizontal sweep scope is 0~360 °.
Preferably, the parabolic mirror is the trans telescope of ox or Cassegrain's formula telescope.
Preferably, the parabolic mirror uses clear aperature as the trans telescope of 300mm ox.
Preferably, the middle tunable IR narrow linewidth high-energy laser can launch repetition rate 100-1000Hz, arteries and veins
Width is less than 20ns, energy is less than the tunable wavelength laser of Gigahertz higher than 1mJ, line width.
Preferably, the gas that described gas absorption cell is filled with is NO2。
Preferably, the module that aims at includes the CCD parallel with scanning storehouse, and its depth of parallelism is better than 30 ".
Beneficial effect：The utility model has the integration ofTechnology degree of height, and wavelength and power monitoring module can realize monitoring
And the centre wavelength and performance number of amendment output laser, with the difficulty for improving detection accuracy and reducing data processing.Transmitting-receiving
System is used without thermalization lens design, and the engineering product of actual external field environment work can be achieved.Different from general laser radar
More options ultraviolet band uses infrared in the big energy efficient rate of tunable narrow-linewidth as groundwork wave band, the utility model
Laser emitting source of the laser as radar system.In middle infrared band, sulfur dioxide, nitric oxide, nitrogen dioxide, diformazan
The absorption of the major pollutants such as benzene is very strong, and Atmospheric Absorption and sun background radiation are all weaker, meanwhile, coordinate single photon detection
Device can realize high detectivity, can significantly improve the monitoring sensitivity and detection range of part atmosphere pollution.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, case study on implementation of the present utility model is described in detail；
As shown in figure 1, high sensitivity gaseous contamination detecting laser radar system described in the utility model, including be integrated in
Middle tunable IR narrow linewidth high-energy laser 1, wavelength and power monitoring module, optical transceiver module, the aiming mould of one
Block and data processing module：Middle tunable IR narrow linewidth high-energy laser 1 launches mid-infrared laser, infrared in described to swash
A light part carries out wavelength monitoring via wavelength and power monitoring module and power monitoring, another part are gone out by optical transceiver module
Detecting objects are incident upon, and detecting objects are aimed at by aiming at module, detecting objects reflect mid-infrared laser
The echo-signal returned receives via optical transceiver module again, then is transferred to after data processing module carries out Treatment Analysis and draws dirt
Contaminate gas concentration value.
Middle tunable IR narrow linewidth high-energy laser 1 can realize each dusty gas molecular absorption spectrum on and
Off is quickly tuned, to be detected using difference means to dusty gas.It can launch repetition rate 100Hz~1000Hz (this
Embodiment is preferably 500Hz), pulsewidth be less than 20ns, energy higher than 1mJ, line width be less than Gigahertz tunable wavelength laser,
Reality output by centre wavelength be 3414nm and 3424nm alternate emissions with realize DIAL detect dusty gas
Concentration.
Wavelength and power monitoring module include infrared detector 18 in the first spectroscope 2, the second spectroscope 3, first, are filled with
Finite concentration NO2Gas absorption cell 4 and second in infrared detector 19, the first spectroscope 2 is by middle tunable IR narrow linewidth
The mid-infrared laser that high-energy laser 1 is launched is divided into two beams, a branch of to be exported to optical transceiver module transmission, another beam to second
Light beam is divided into two-way by spectroscope 3, the second spectroscope 3, infrared detector 18 and gas absorption cell 4 in being transferred to first respectively,
Infrared detector 19 in being connected with second after gas absorption cell 4, infrared detector 19 in infrared detector 18 and second in first
Wavelength monitoring and power monitoring can be achieved.Before and after two middle infrared detectors of placement can respectively obtain laser through gas absorption cell 4
Optical signal amplitude, by electricity handle and capture card collection analysis data after the wavelength of laser can be monitored in real time, place
Manage the result of analysis then Real-time Feedback by temperature-compensating to carry out frequency stabilization processing.Meanwhile real-time detection is without gas absorption cell 4
Laser amplitude the power output of laser can be monitored, its result handles feedback regulation pumping current in real time through electricity
Size is to lift the stability of power output.It is monitored for the centre wavelength and power of laser, purpose prevents middle cardiac wave
So as to influence Effect on Detecting on the long absworption peak for being not in detecting dusty gas molecule and absorption paddy, while power is monitored
It can not meet power and wavelength monitoring simultaneously to carry out front and rear comparing and data inversion processing, a detector.
Optical transceiver module includes expanding microscope group, middle ir reflector 8, the and of the first speculum 9 in scanning storehouse
Second speculum 20, parabolic mirror 10, secondary mirror 11, optics receive probe unit, the middle speculum of ir reflector 8 and first
9 are parallel to each other, and realize vertical scanning；First speculum 9 and the second speculum 20 are parallel to each other, and realize horizontal sweep；Beam expanding lens
Group is exported after the angle of divergence of the mid-infrared laser is compressed to middle ir reflector 8, and middle ir reflector 8 will be compressed
After mid-infrared laser afterwards vertically reflexes to the first speculum 9, horizontal reflection is to the second speculum 20 again for the first speculum 9, and
Mid-infrared laser is finally reflexed to detecting objects by two-mirror 20；The echo-signal that detecting objects reflect is by former road
After return, then transmitted via parabolic mirror 10, secondary mirror 11 to optics receive probe unit successively.Optical transceiver module is by taking aim at
Quasi-mode block is aimed at detecting objects, and aiming at module includes the CCD5 parallel with scanning storehouse, and the depth of parallelism is better than 30 ".Expand
Microscope group includes the first beam expanding lens 6 and the second beam expanding lens 7, and middle tunable IR narrow linewidth high-energy laser 1 is infrared in launching to swash
Light is further compressed to 0.2mrad by expanding microscope group, while by the first speculum 9 in middle ir reflector 8 and scanning storehouse and the
Two-mirror 20 realizes space universe scanning, and horizontal sweep scope reaches 0~360 °, and vertical scanning scope reaches 0~90 °.Institute
It is trans for the trans telescope of ox or Cassegrain's formula telescope, preferably clear aperature 300mm ox to state parabolic mirror 10
Telescope receives echo-signal.
Optics receives aperture 12, the first collimation lens 13, the arrowband filter that probe unit includes setting gradually along light path
Wave plate 14, condenser lens 15, the second collimation lens 16 and middle ultrared single-photon detector 17, the echo-signal is by field stop
After controlling field of view of receiver angle, narrow band filter slice 14 is inserted after the first collimation lens 13 and rejects ambient noise, then line focus lens
15 and second are detected by single-photon detector to the echo-signal after collimation lens 16.Echo-signal is through parabolic reflector
After mirror 10 and secondary mirror 11, after controlling field of view of receiver angle by aperture 12, narrow band filter slice is inserted after the first collimation lens 13
14 rejecting ambient noises are to be lifted after signal to noise ratio, then the collimation lens 16 of line focus lens 15 and second by single-photon detector to letter
Number detected.
Data processing module draws dusty gas concentration after then carrying out Treatment Analysis to the echo-signal of collection by computer
Value.
The utility model can carry mobile test car, and monitoring, data in real time are carried out to Air Pollutant Discharge concentration index
The high sensitivity mid-infrared laser radar system of analysis.The utility model has the integration ofTechnology degree of height, wavelength and power prison
The centre wavelength and performance number of monitoring and amendment output laser can be realized by surveying module, to improve detection accuracy and reduce data
The difficulty of processing.Receive-transmit system is used without thermalization lens design, and the engineering product of actual external field environment work can be achieved.It is different
In general laser radar more options ultraviolet band the big energy of tunable narrow-linewidth is used as groundwork wave band, the utility model
Laser emitting source of the efficient mid-infrared laser device as radar system.In middle infrared band, sulfur dioxide, an oxidation
The absorption of the major pollutants such as nitrogen, nitrogen dioxide, dimethylbenzene is very strong, and Atmospheric Absorption and sun background radiation are all weaker, together
When, coordinate single-photon detector to realize high detectivity, the monitoring of part atmosphere pollution can be significantly improved
Sensitivity and detection range.
Claims (10)
1. a kind of high sensitivity gaseous contamination detecting laser radar system, it is characterised in that including infrared in being integrated in one
Tunable narrow-linewidth high-energy laser, wavelength and power monitoring module, optical transceiver module, aim at module and data processing mould
Block：Middle tunable IR narrow linewidth high-energy laser launches mid-infrared laser, and a described mid-infrared laser part is via ripple
Long and power monitoring module carries out wavelength monitoring and power monitoring, another part are emitted to detection target by optical transceiver module
Thing, and detecting objects are aimed at by aiming at module, the echo that detecting objects reflect mid-infrared laser is believed
Number received again via optical transceiver module, then be transferred to after data processing module carries out Treatment Analysis and draw dusty gas concentration
Value；Described wavelength and power monitoring module include infrared detector in the first spectroscope, the second spectroscope, first, gas is inhaled
Infrared detector in receives pond and second, the first spectroscope are infrared during middle tunable IR narrow linewidth high-energy laser is launched
Laser is divided into two beams, a branch of to optical transceiver module transmission, and another beam, which is exported to the second spectroscope, the second spectroscope, divides light beam
For two-way, infrared detector and gas absorption cell in being transferred to first respectively, infrared spy in being connected with second after gas absorption cell
Device is surveyed, infrared detector can realize wavelength monitoring and power monitoring in infrared detector and second in first.
2. high sensitivity gaseous contamination detecting laser radar system according to claim 1, it is characterised in that the optics
Transceiver module includes expanding microscope group, middle ir reflector, the first speculum and the second speculum, parabolic in scanning storehouse
Face speculum, secondary mirror, optics receive probe unit, and middle ir reflector is parallel to each other with the first speculum, realizes vertical scanning；
First speculum and the second speculum are parallel to each other, and realize horizontal sweep；Microscope group is expanded by the angle of divergence of the mid-infrared laser
Exported after being compressed and mid-infrared laser after compression is vertically reflexed to first to middle ir reflector, middle ir reflector
After speculum, mid-infrared laser is finally reflexed to spy to the first speculum by horizontal reflection to the second speculum, the second speculum again
Survey object；After the echo-signal that detecting objects reflect is by backtracking, then successively via parabolic mirror, secondary mirror
Transmit to optics and receive probe unit.
3. high sensitivity gaseous contamination detecting laser radar system according to claim 2, it is characterised in that described light
Learn receive probe unit include set gradually along light path aperture, the first collimation lens, narrow band filter slice, condenser lens,
Second collimation lens and middle ultrared single-photon detector, after the echo-signal controls field of view of receiver angle by field stop, through the
Inserted after collimating lens after narrow band filter slice rejecting ambient noise, then line focus lens and the second collimation lens by single-photon detecting
Device is surveyed to detect the echo-signal.
4. high sensitivity gaseous contamination detecting laser radar system according to claim 2, it is characterised in that described to expand
The angle of divergence of the mid-infrared laser is compressed to after 0.2mrad and exported to middle ir reflector by microscope group.
5. high sensitivity gaseous contamination detecting laser radar system according to claim 2, it is characterised in that described vertical
Scanning range is 0~90 °, and horizontal sweep scope is 0~360 °.
6. high sensitivity gaseous contamination detecting laser radar system according to claim 2, it is characterised in that the parabolic
Face speculum is the trans telescope of ox or Cassegrain's formula telescope.
7. high sensitivity gaseous contamination detecting laser radar system according to claim 6, it is characterised in that the parabolic
Face speculum uses clear aperature as the trans telescope of 300mm ox.
8. the high sensitivity gaseous contamination detecting laser radar system according to claim 1-7 any one, its feature exist
In the middle tunable IR narrow linewidth high-energy laser can launch repetition rate 100-1000Hz, pulsewidth is less than 20ns, energy
Amount is less than the tunable wavelength laser of Gigahertz higher than 1mJ, line width.
9. the high sensitivity gaseous contamination detecting laser radar system according to claim 1-7 any one, its feature exist
In the gas that described gas absorption cell is filled with is NO2。
10. the high sensitivity gaseous contamination detecting laser radar system according to claim 1-7 any one, its feature exist
In the module that aims at includes the CCD parallel with scanning storehouse, and its depth of parallelism is better than 30 ".
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970392A (en) * | 2017-05-31 | 2017-07-21 | 南京先进激光技术研究院 | High sensitivity gaseous contamination detecting laser radar system |
| WO2020113356A1 (en) * | 2018-12-03 | 2020-06-11 | 南京牧镭激光科技有限公司 | Wind field information measurement method and engine room-type laser radar |
| CN114018405A (en) * | 2021-11-08 | 2022-02-08 | 长春理工大学 | Multiband flat plate light splitting system based on Cassegrain telescope structure |
| RU216578U1 (en) * | 2022-09-02 | 2023-02-14 | Федеральное государственное бюджетное учреждение науки Институт оптики атмосферы им. В.Е. Зуева Сибирского отделения Российской академии наук | AIRBORNE LIDAR IN THE MIDDLE INFRARED RANGE |
-
2017
- 2017-05-31 CN CN201720615304.8U patent/CN206773190U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970392A (en) * | 2017-05-31 | 2017-07-21 | 南京先进激光技术研究院 | High sensitivity gaseous contamination detecting laser radar system |
| WO2020113356A1 (en) * | 2018-12-03 | 2020-06-11 | 南京牧镭激光科技有限公司 | Wind field information measurement method and engine room-type laser radar |
| CN114018405A (en) * | 2021-11-08 | 2022-02-08 | 长春理工大学 | Multiband flat plate light splitting system based on Cassegrain telescope structure |
| CN114018405B (en) * | 2021-11-08 | 2023-04-25 | 长春理工大学 | Multiband flat-plate spectroscopic system based on Cassegrain telescope structure |
| RU216578U1 (en) * | 2022-09-02 | 2023-02-14 | Федеральное государственное бюджетное учреждение науки Институт оптики атмосферы им. В.Е. Зуева Сибирского отделения Российской академии наук | AIRBORNE LIDAR IN THE MIDDLE INFRARED RANGE |
| RU2804263C1 (en) * | 2023-04-21 | 2023-09-26 | Федеральное государственное бюджетное учреждение науки Институт оптики атмосферы им. В.Е. Зуева Сибирского отделения Российской академии наук | Mobile lidar gas analyzer |
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