CN110174662A - A kind of three beam splitting laser emitter of high-precision for laser radar - Google Patents
A kind of three beam splitting laser emitter of high-precision for laser radar Download PDFInfo
- Publication number
- CN110174662A CN110174662A CN201910466279.5A CN201910466279A CN110174662A CN 110174662 A CN110174662 A CN 110174662A CN 201910466279 A CN201910466279 A CN 201910466279A CN 110174662 A CN110174662 A CN 110174662A
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- Prior art keywords
- mirror assembly
- beam splitting
- laser
- frames
- component
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
- G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
-
- 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
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The present invention relates to atmosphere, environment monitoring device technical field, specially a kind of laser beam emitting device for laser radar.A kind of three beam splitting high-precision laser emitters for Laser Radar Observation, including mobile base, light splitting emitting module and firm banking；The mobile base connection is on the fixed base；The light splitting emitting module includes mirror assembly and beam splitting mirror assembly；The mirror assembly includes the first mirror assembly, the second mirror assembly, third mirror assembly, the 4th mirror assembly and the 5th mirror assembly；Second mirror assembly, third mirror assembly, the 4th mirror assembly and the 5th mirror assembly and beam splitting mirror assembly are mounted in mobile base；First mirror assembly is mounted on the lower section of mobile base.Three beam splitting laser emitter of high-precision for laser radar of the invention may be implemented for beam of laser to be divided into three direction transmittings, while realize that the high-precision electric of the three-beam direction of the launch is adjusted.
Description
Technical field
The present invention relates to atmosphere, environment monitoring device technical field, specially a kind of Laser emission for laser radar
Device.
Background technique
Laser radar is a kind of active remote sensing monitoring device, has the advantages such as high-spatial and temporal resolution, high measurement accuracy.In recent years
Come, with the development of laser technology and detecting technique, laser radar is gradually applied to the detection study of Middle and upper atmosphere.For
The requirement for meeting lidar measurement Middle and upper atmosphere dimensional wind needs laser radar emission system can be simultaneously at three
Direction (such as vertical, east orientation and north orientation) transmitting laser beam, and the high-precision for being able to achieve this three beams light direction is adjusted, it is every to guarantee
The collimation of a direction transmitting-receiving optical axis.
Existing laser radar emission system is single direction transmitting, needs to manually adjust reflecting mirror, this
Mode is to be applicable in unidirectional lidar measurement, but three directions are needed when laser radar is used to measure atmospheric wind
Observation data realize that the inverting of dimensional wind, single direction transmitting are no longer met the requirements, needing to design will single side
To laser be converted to the device that three directions emit and improve signal to guarantee the collimation of each detection direction transmitting-receiving optical axis
Receiving efficiency, need the transmitting light beam in three directions that can adjust with high precision.If adjusted using traditional mode that manually adjusts
Low efficiency is saved, and is easy to damage operator.
Summary of the invention
The purpose of the present invention is to provide a kind of perfect in shape and functions for laser radar, in particular for Middle and upper atmosphere
Three beam splitting high-precision laser emitters of Wind measurement laser radar, to meet lidar measurement Middle and upper atmosphere three-dimensional wind
The requirement of field.
In order to achieve the above objects and other related objects, the present invention mainly uses following technical scheme:
A kind of three beam splitting high-precision laser emitters for Laser Radar Observation, including mobile base, light splitting emitting module
And firm banking；The mobile base connection is on the fixed base；The light splitting emitting module include mirror assembly and
Beam splitting mirror assembly；The mirror assembly include the first mirror assembly, the second mirror assembly, third mirror assembly,
4th mirror assembly and the 5th mirror assembly；Second mirror assembly, third mirror assembly, the 4th reflecting mirror
Component and the 5th mirror assembly and beam splitting mirror assembly are mounted in mobile base；First mirror assembly is mounted on institute
State the lower section of mobile base.
Further, first mirror assembly and the second mirror assembly are carried out with horizontal direction in 45 degree of angles
Installation, and it is corresponding in the vertical direction；The laser reflection that first mirror assembly emits laser source to second reflection
Mirror assembly；The light of the described second mirror assembly reflection is after beam splitting mirror assembly beam splitting, respectively through third mirror assembly, the
Four mirror assemblies and the 5th mirror assembly are launched.
Further, the mirror assembly includes pedestal, component of frames, reflecting optics；The component of frames peace
On the pedestal, the reflecting optics are mounted on the component of frames.
Further, the component of frames includes motorized adjustment component of frames and manually adjusts component of frames, wherein the
Component of frames on one mirror assembly, the second mirror assembly is to manually adjust component of frames, third mirror assembly, the 4th
Component of frames on mirror assembly and the 5th mirror assembly is motorized adjustment component of frames.
Further, the motorized adjustment component of frames has motorized adjustment and manually adjusts both of which.
Further, the beam splitting mirror assembly includes the first beam splitting mirror assembly and the second beam splitting mirror assembly, and described the
One beam splitting mirror assembly and the second beam splitting mirror assembly are made of pedestal, mirror holder and beam splitting eyeglass, and the mirror holder is mounted on described
Pedestal on, the beam splitting eyeglass is mounted on the mirror holder.
Further, the first beam splitting mirror assembly reflects 70% laser energy, through 30% laser energy；Second beam splitting
Mirror assembly reflects 50% laser energy, through 50% laser energy.
Further, the pedestal on the first beam splitting mirror assembly is motorized adjustment pedestal, the pedestal on the second beam splitting mirror assembly
To manually adjust pedestal.
Further, the mobile base includes optical emitting plate and bracket, and the bracket is adjustable support,
It is covered by thinner upper bracket and is formed in lower bracket thicker on the fixed base；The optical emitting plate is fixed on upper bracket
Upper end.
Further, it is evenly equipped with fixing threaded hole on the optical emitting plate, for the fixed light splitting transmitting group
Part.
Three beam splitting laser emitter of high-precision for laser radar of the invention, may be implemented for beam of laser to be divided into
Three direction transmittings, while the high-precision electric that the three-beam direction of the launch may be implemented is adjusted.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the three beam splitting laser emitter of high-precision for laser radar of the invention；
Fig. 2 is the schematic diagram after the adjusted raising of mobile base；
Fig. 3 is motorized adjustment component of frames structural schematic diagram；
Fig. 4 is the three beam splitting high-precision laser emitter light path schematic diagrams for laser radar of the invention；
Figures 5 and 6 are that the three beam splitting high-precision laser emitter optical paths for laser radar of the invention switch schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples to the three beam splitting laser emitter of high-precision for laser radar of the invention
It is described in detail and illustrates.
Three beam splitting laser emitter of high-precision for laser radar of the invention mainly includes firm banking 8, optics
Emit plate 9, mirror assembly and beam splitting mirror assembly；Optical emitting plate 9 is connected to solid by upper bracket 12 and lower bracket 13
Determine on pedestal 8.Wherein, upper bracket 12 is sleeved in lower bracket 13, and lower bracket 13 is connect with firm banking 8.Thinner upper bracket
12 and thicker lower bracket 13 constitute the movable support that can carry out lift adjustment, and by lock screw 11 by upper bracket 12 with
Lower bracket 13 is fixed.
As depicted in figs. 1 and 2, mirror assembly shares five groups, is the first mirror assembly 1, second reflection microscope group respectively
Part 2, third mirror assembly 3, the 4th mirror assembly 4 and the 5th mirror assembly 5.Wherein, the second mirror assembly 2,
Third mirror assembly 3, the 4th mirror assembly 4 and the 5th mirror assembly 5 are installed on optical emitting plate 9；The
One mirror assembly 1 is mounted on the lower section of optical emitting plate 9.In the corresponding optics hair in the surface of the first mirror assembly 1
It penetrates on plate 9 and offers loophole 10.First mirror assembly 1 and the second mirror assembly 2 are in 45 degree of angles with horizontal direction
It is installed.
Five groups of mirror assemblies are made of component of frames and reflecting optics；Wherein the first mirror assembly 1 and second is anti-
The component of frames for penetrating mirror assembly 2 is to manually adjust component of frames, is made of pedestal and mirror holder, and reflecting optics are mounted on mirror holder,
Mirror holder is mounted on the base, which is equipped with manual adjustment knob, the direction of manually adjustable reflecting optics.
The component of frames of third mirror assembly 3, the 4th mirror assembly 4 and the 5th mirror assembly 5 is electric adjustable
Save component of frames.As shown in figure 3, motorized adjustment component of frames includes reflecting optics 19, adjusts mirror holder 20 and extension bar pedestal 21.It adjusts
Section mirror holder 20 is mounted on extension bar pedestal 21, and reflecting optics 19, which are mounted on, to be adjusted on mirror holder 20.It is equipped with and hangs down on adjusting mirror holder 20
Histogram is to adjusting knob 14, horizontal direction adjusting knob 15.In order to realize the motorized adjustment of mirror holder, vertical direction adjusting knob
14, vertical direction motor 16 and horizontal direction motor 17 is also respectively connected in horizontal direction adjusting knob 15.Two motors are
High-precision stepper motor connects motor driver by automatically controlled cable 18.It is sent by computer program to motor driver
Control instruction is suitable for small range, height so that vertical direction motor 16 or horizontal direction motor 17 are acted according to specified step number
Precision is adjusted, to realize the adjusting to the progress different directions of mirror holder 20 are adjusted, controls reflecting optics 19 horizontal and vertical two
The direction in direction, to accurately control the direction of the launch of laser.
It should be noted that motorized adjustment can be carried out and manually adjust the switching of both of which by adjusting mirror holder 20.In hand
Under dynamic shaping modes, laser is manually controlled by manually adjusting vertical direction adjusting knob 14 and horizontal direction adjusting knob 15
The exit direction of beam.
Beam splitting mirror assembly shares two groups, is the first beam splitting mirror assembly 6 and the second beam splitting mirror assembly 7 respectively.First beam splitter
Component 6 is made of motorized adjustment pedestal and beam splitting mirror holder, and beam splitting eyeglass is equipped on beam splitting mirror holder.Motorized adjustment pedestal can be adjusted
Section beam splitting mirror holder makes it fall down or hold up, and enters optical path to adjust the first beam splitting mirror assembly 6 or leaves optical path.Second beam splitter
Component 7 is made of extension bar pedestal and beam splitting mirror holder, and beam splitting mirror holder is mounted on extension bar pedestal, and beam splitting eyeglass is mounted on beam splitting mirror holder
On.The extension bar pedestal can be manually adjusted in vertical direction by knob.
As illustrated in fig. 1 and 2, fixing threaded hole 22 is uniformly distributed with 1 inch of interval on optical emitting plate 9.Extension bar bottom
Seat 21 is equipped with elongated slot.Extension bar pedestal 21 can flexibly move on optical emitting plate 9, after finding optimum position, by by spiral shell
Bolt passes through elongated slot and then passes through fixing threaded hole 22 and extension bar pedestal 21 is fixed on optical emitting plate 9.Realize mirror assembly
With the flexible modulation of beam splitter component mounting position.
Three beam splitting laser emitter of high-precision for laser radar of the invention, working principle are as described below:
Referring to shown in Fig. 4, arrow represents the direction of the launch of light in Fig. 4, and the thickness of line represents the power of laser.Wherein, M0、
M1、M2、M3、M4Respectively represent the first mirror assembly 1, the second mirror assembly 2, third mirror assembly 3, the 4th reflecting mirror
Component 4 and the 5th mirror assembly 5.BS1Represent the first beam splitting mirror assembly 6, BS2Represent the second beam splitting mirror assembly 7.
M is passed through by the light of laser source transmitting0After reflection, loophole 10 is passed through via M1Reflection, by BS1It is split, penetrates
30% light is via M2Reflection is emitted in atmosphere, and the light for reflecting 70% passes through BS2It is split, reflects 50% light via M4Transmitting
Into atmosphere, through 50% light via M3It is emitted in atmosphere.
Fig. 5 is the motorized adjustment pedestal of the first beam splitting mirror assembly 6 by BS1The three beam splitting optical paths transmitting being switched in optical path is shown
It is intended to, in this mode, has three-beam via M2、M3、M4It is emitted in atmosphere.
Fig. 6 is the motorized adjustment pedestal of the first beam splitting mirror assembly 6 by BS1Single beam road transmitting after switching away from optical path is shown
It is intended to, in this mode, only light beam is via M2It is emitted in atmosphere.
Three beam splitting laser emitter of high-precision for laser radar of the invention, five groups of mirror assemblies are in 589nm
Laser wave strong point reflectivity reaches 95% or more, and laser damage threshold with higher, can be reduced in this way with minimally
The loss of laser energy, and when exploring laser light can be prevented too strong, reflecting optics plated film is broken, laser radar emission system is caused to damage
It is bad.
Claims (10)
1. a kind of three beam splitting high-precision laser emitters for Laser Radar Observation, it is characterised in that: including mobile base,
It is divided emitting module and firm banking；The mobile base connection is on the fixed base；The light splitting emitting module includes
Mirror assembly and beam splitting mirror assembly；The mirror assembly includes the first mirror assembly, the second mirror assembly, third
Mirror assembly, the 4th mirror assembly and the 5th mirror assembly；Second mirror assembly, third reflect microscope group
Part, the 4th mirror assembly and the 5th mirror assembly and beam splitting mirror assembly are mounted in mobile base；First reflection
Mirror assembly is mounted on the lower section of the mobile base.
2. the three beam splitting high-precision laser emitters according to claim 1 for Laser Radar Observation, feature exist
In: first mirror assembly and the second mirror assembly is installed horizontal by 45 degree of angles, and in vertical side
It is opposite upwards；The laser reflection that first mirror assembly emits laser source is to the second mirror assembly；Described second
The light of mirror assembly reflection is anti-through third mirror assembly, the 4th mirror assembly and the 5th after beam splitting mirror assembly beam splitting
Mirror assembly is penetrated to launch.
3. the three beam splitting high-precision laser emitters according to claim 2 for Laser Radar Observation, feature exist
In: the mirror assembly includes pedestal, component of frames, reflecting optics；The component of frames is mounted on the pedestal
On, the reflecting optics are mounted on the component of frames.
4. the three beam splitting high-precision laser emitters according to claim 3 for Laser Radar Observation, feature exist
Include motorized adjustment component of frames in: the component of frames and manually adjust component of frames, wherein the first mirror assembly, the
Component of frames on two-mirror component is to manually adjust component of frames, third mirror assembly, the 4th mirror assembly and the
Component of frames on five mirror assemblies is motorized adjustment component of frames.
5. the three beam splitting high-precision laser emitters according to claim 4 for Laser Radar Observation, feature exist
In: the motorized adjustment component of frames has motorized adjustment and manually adjusts both of which.
6. the three beam splitting high-precision laser emitters according to claim 2 for Laser Radar Observation, feature exist
In: the beam splitting mirror assembly include the first beam splitting mirror assembly and the second beam splitting mirror assembly, the first beam splitting mirror assembly and
Second beam splitting mirror assembly is made of pedestal, mirror holder and beam splitting eyeglass, and the mirror holder is mounted on the pedestal, described
Beam splitting eyeglass is mounted on the mirror holder.
7. the three beam splitting high-precision laser emitters according to claim 6 for Laser Radar Observation, feature exist
In: the first beam splitting mirror assembly reflects 70% laser energy, through 30% laser energy；Second beam splitting mirror assembly reflection 50%
Laser energy, through 50% laser energy.
8. the three beam splitting high-precision laser emitters according to claim 6 for Laser Radar Observation, feature exist
In: the pedestal on the first beam splitting mirror assembly is motorized adjustment pedestal, and the pedestal on the second beam splitting mirror assembly is to manually adjust pedestal.
9. the three beam splitting high-precision laser emitters according to claim 1-8 for Laser Radar Observation,
It is characterized by: the mobile base includes optical emitting plate and bracket, the bracket is adjustable support, by thinner
Upper bracket covers to be formed in lower bracket thicker on the fixed base；The optical emitting plate is fixed on the upper end of upper bracket.
10. the three beam splitting high-precision laser emitters according to claim 9 for Laser Radar Observation, feature exist
In: it is evenly distributed with fixing threaded hole on the optical emitting plate, for the fixed light splitting emitting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466279.5A CN110174662A (en) | 2019-05-31 | 2019-05-31 | A kind of three beam splitting laser emitter of high-precision for laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466279.5A CN110174662A (en) | 2019-05-31 | 2019-05-31 | A kind of three beam splitting laser emitter of high-precision for laser radar |
Publications (1)
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| CN110174662A true CN110174662A (en) | 2019-08-27 |
Family
ID=67696809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910466279.5A Pending CN110174662A (en) | 2019-05-31 | 2019-05-31 | A kind of three beam splitting laser emitter of high-precision for laser radar |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010081613A (en) * | 2000-02-17 | 2001-08-29 | 성규동 | Dividing apparatus of laser beam |
| JP2007073100A (en) * | 2005-09-05 | 2007-03-22 | Funai Electric Co Ltd | Optical head device |
| JP2008047199A (en) * | 2006-08-11 | 2008-02-28 | Sanyo Electric Co Ltd | Optical pickup |
| CN101924320A (en) * | 2010-07-07 | 2010-12-22 | 北京理工大学 | Fabry-Perot cavity based non-modulating 2 mu m laser frequency stabilizing method and device thereof |
| CN103308150A (en) * | 2013-06-24 | 2013-09-18 | 中国航空工业集团公司北京长城计量测试技术研究所 | Whole-field vibration measurement system with lasers |
| CN103576134A (en) * | 2013-11-26 | 2014-02-12 | 北京航空航天大学 | Full-waveform laser radar system based on coaxial two-channel data acquisition |
| KR101396003B1 (en) * | 2013-04-19 | 2014-05-16 | 경일대학교산학협력단 | Optical alignment apparatus of lidar system |
| CN107270837A (en) * | 2016-04-07 | 2017-10-20 | 大族激光科技产业集团股份有限公司 | A kind of drill spindle beat test system and method |
| CN108681093A (en) * | 2018-08-13 | 2018-10-19 | 广州光智科技有限公司 | Double light beam laser colimated light system |
| CN109631767A (en) * | 2018-12-12 | 2019-04-16 | 上海卫星装备研究所 | Range unit and distance measuring method |
| CN210222243U (en) * | 2019-05-31 | 2020-03-31 | 山东省科学院海洋仪器仪表研究所 | High-precision three-beam laser emission device for laser radar |
-
2019
- 2019-05-31 CN CN201910466279.5A patent/CN110174662A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010081613A (en) * | 2000-02-17 | 2001-08-29 | 성규동 | Dividing apparatus of laser beam |
| JP2007073100A (en) * | 2005-09-05 | 2007-03-22 | Funai Electric Co Ltd | Optical head device |
| JP2008047199A (en) * | 2006-08-11 | 2008-02-28 | Sanyo Electric Co Ltd | Optical pickup |
| CN101924320A (en) * | 2010-07-07 | 2010-12-22 | 北京理工大学 | Fabry-Perot cavity based non-modulating 2 mu m laser frequency stabilizing method and device thereof |
| KR101396003B1 (en) * | 2013-04-19 | 2014-05-16 | 경일대학교산학협력단 | Optical alignment apparatus of lidar system |
| CN103308150A (en) * | 2013-06-24 | 2013-09-18 | 中国航空工业集团公司北京长城计量测试技术研究所 | Whole-field vibration measurement system with lasers |
| CN103576134A (en) * | 2013-11-26 | 2014-02-12 | 北京航空航天大学 | Full-waveform laser radar system based on coaxial two-channel data acquisition |
| CN107270837A (en) * | 2016-04-07 | 2017-10-20 | 大族激光科技产业集团股份有限公司 | A kind of drill spindle beat test system and method |
| CN108681093A (en) * | 2018-08-13 | 2018-10-19 | 广州光智科技有限公司 | Double light beam laser colimated light system |
| CN109631767A (en) * | 2018-12-12 | 2019-04-16 | 上海卫星装备研究所 | Range unit and distance measuring method |
| CN210222243U (en) * | 2019-05-31 | 2020-03-31 | 山东省科学院海洋仪器仪表研究所 | High-precision three-beam laser emission device for laser radar |
Non-Patent Citations (1)
| Title |
|---|
| 王章军: "激光分束及高精度指向调节系统", 光学精密工程, vol. 30, no. 1, 31 January 2022 (2022-01-31), pages 38 - 44 * |
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