CN102819014A - Optical system for testing laser distance measurer performance based on off-axis parabolic mirror - Google Patents
Optical system for testing laser distance measurer performance based on off-axis parabolic mirror Download PDFInfo
- Publication number
- CN102819014A CN102819014A CN2012102563806A CN201210256380A CN102819014A CN 102819014 A CN102819014 A CN 102819014A CN 2012102563806 A CN2012102563806 A CN 2012102563806A CN 201210256380 A CN201210256380 A CN 201210256380A CN 102819014 A CN102819014 A CN 102819014A
- Authority
- CN
- China
- Prior art keywords
- laser
- light source
- measurement unit
- performance measurement
- mirror
- 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.)
- Granted
Links
Images
Abstract
The invention provides an optical system for testing a laser distance measurer performance based on an off-axis parabolic mirror. An emission optical path and a receiving optical path of a laser distance measurer, and a laser echo light path simulated by a laser radiator can be contained at the same time; the system comprises a light source component, a laser emission performance measurement unit, a laser receiving performance measurement unit and a laser distance measurement/irradiating component performance measurement unit; the light source component is composed of the off-axis parabolic mirror, a white light source and a dividing plate, a beam splitter 1, a beam splitter 2, a target plate, a pore aperture replicate mirror and a long-focus CCD (Charge Coupled Device) vidicon; the laser emitting performance measurement unit comprises a full-reflector, an objective lens group, a spectroscope, an energy detector, a nanosecond detector and a light splitter detector, and the laser receiving performance measurement unit comprises a laser simulating light source and double optical wedges.
Description
Technical field
The present invention relates to the laser range finder performance test, relate in particular to range finder using laser performance test optical system based on off axis paraboloidal mirror.
Background technology
The at present domestic light path system that is adopted when testing for the range finder using laser combination property uses the double light path mode of separation more; The light path that is testing laser range finder emitting performance and range finder using laser is separated, and measuring method is loaded down with trivial details and reliability is relatively poor with repeatability, and can't accomplish from the Laser emission of range finder using laser and test to the whole synthesis of laser pick-off.In addition; Because the whole optical path system does not have unified optical reference; (laser beam center and optical reference overlap) operates with regard to more complicated in the alignment procedures of light path like this, and owing to be the optical system of separating light path, so there is the possibility of optical malfunction in total system.
Summary of the invention
Be directed to the problems referred to above, the invention provides a kind of range finder using laser performance test optical system, can take in the return laser beam light path that range finder using laser emission light path, receiving light path and laser irradiator simulate simultaneously based on off axis paraboloidal mirror.
Should comprise light source part, Laser emission performance measurement unit, laser pick-off performance measurement unit and laser ranging/illumination module performance measurement unit based on the range finder using laser performance test optical system of off axis paraboloidal mirror; Light source part is made up of turn back mirror and long burnt ccd video camera of off-axis paraboloidal mirror, white light source and graticule, beam divider 1, beam divider 2, target plate, aperture; Laser emission performance measurement unit comprise total reflective mirror, objective lens, spectroscope, energy-probe, nanosecond detector and light divide the appearance detector; Laser pick-off performance measurement unit comprises laser analog light source and two wedges; In Laser Measurement emitting performance process; In the total reflective mirror incision light path, laser is by the emission of laser emission assembly, and laser expands Shu Houzai through emitting antenna and reflected by total reflective mirror; Pass through objective lens then; Through behind the spectroscope, a part of laser gets into energy-probe and comes the Laser Measurement energy, and another part gets into light and divides the appearance detector to come the measuring laser beam quality; When total reflective mirror removed light path, laser was imaged on the graticule through attenuator and off axis paraboloidal mirror, utilized long burnt ccd video camera then and turned back sem observation laser beam axis deviation and optical axis stable property, and white light source is cross curve on graticule be benchmark;
In Laser Measurement receptivity process; Total reflective mirror removes light path; The laser analog light source is through aperture emission continuous analog laser; This laser becomes parallel beam through off axis paraboloidal mirror again through beam divider 2 and beam divider 1, gets into receiving antenna through two wedges at last and arrives the laser pick-off assembly;
Described laser ranging/illumination module performance measurement unit comprise accurate echo chronotron and nanosecond detector; Detector received the laser that the laser emission assembly sends and triggered Laser Simulator through precision repayment chronotron and produce simulated laser nanosecond; Simulated laser through postponing will be received by the laser pick-off assembly, realize the simulation test of laser range finder range capability.
Above-mentioned optical system is an optical reference with the focus of off axis paraboloidal mirror, and makes up two conjugate focuses by two beam dividers 1,2; One is used for placing the target plate that receives laser, and another is used to place the laser analog light source.
Beneficial effect of the present invention:
Not only can test through this light path system range finder parts static parameter (like emitted energy, pulse width, beam divergence angle and many plain shaft parallelisms etc.).In addition, can also detect range finder complete machine performance, like parameters such as distance measurement function, distance accuracy and effective beam divergence angles.This technology can be the range finder using laser ability meter or other laser activity test macro provides light path, is convenient to high precision, high stable and tests relevant laser equipment parameters highly reliably.
Description of drawings
Fig. 1 forms synoptic diagram for optical system of the present invention;
1-off axis paraboloidal mirror wherein; The 2-mirror of turning back; The long burnt ccd video camera of 3-; The two wedges of 4-; 5-product Installation and Debugging platform; 6-laser pick-off assembly receiving antenna; 7-laser emission assembly emitting antenna; The 8-attenuator; The 9-total reflective mirror; 10-laser analog light source; 11-beam divider 2; 12 beam dividers 1; 13 apertures; The 14-target plate; 15-white light source and graticule; The 16-objective lens; The 17-spectroscope; 18-light detector-dividing; The accurate echo chronotron of 19-; 20-nanosecond detector; The 21-energy-probe; The 22-optical table;
Fig. 2 implements particular flow sheet for optical system of the present invention.
Embodiment
Require and actual need of work according to range finder using laser ability meter optic test,, confirmed optical system based on off axis paraboloidal mirror in conjunction with practical application;
A) design and the processing of heavy caliber, high precision off axis paraboloid mirror can adapt to the precision adjustment that many optical axises spacing reaches many optical axises system of 300mm.
B) use inner-adjustable focus collimator and CCD camera system coarse adjustment and accurate adjustment laser optical axis and emitting antenna light shaft coaxle degree respectively;
C) operation has manually been cancelled in the damping capacity variation that uses a computer and control optical attenuator, improves the automatization level of adjustment equipment; The plain shaft parallelism adjustment system software of the exploitation that designs has IMAQ and processing capacity, has the instrument control function again, and is easy and simple to handle, friendly interface.
As shown in Figure 1, optics Installation and Debugging platform is used for correctly being installed in test product in the performance test light path according to the specific (special) requirements design, carries out properties of product and detects, and the acquisition testing data also are sent to observing and controlling and display device.Mainly by light source part, product mounting platform, Laser emission performance measurement unit, laser pick-off performance measurement unit, laser ranging/illumination module performance measurement unit.Be used to install each ingredient of laser ranging/illumination module, like the laser irradiator assembly, laser pick-off assembly, laser transmitting antenna, laser pick-off antenna and electronic package etc.Light source part is made up of turn back mirror and long burnt ccd video camera of off-axis paraboloidal mirror, white light source and graticule, beam divider 1, beam divider 2, target plate, aperture; Laser emission performance measurement unit comprise total reflective mirror, objective lens, spectroscope, energy-probe, nanosecond detector and light divide the appearance detector; Laser pick-off performance measurement unit comprises laser analog light source and two wedges;
Workflow such as Fig. 2 of system show.Its key step is following:
The foundation of step 1, Equipment Inspection benchmark
Utilizing correcting device, make the strictness of white light source cross curve be positioned at the focal point F place of off axis paraboloidal mirror, the aperture of Laser Simulator is positioned at conjugate focus F " locate, target plate is positioned at conjugate focus F " ' locate, light path synoptic diagram such as Fig. 1 show.
The borescope of adjustment product makes F, and " the white light graduation center of locating overlaps with borescope graticule center.
Step 2, Laser emission Performance Detection
The Laser emission Performance Detection comprises laser irradiator and the debugging of emitting antenna right alignment and detection and Laser emission pulse Performance Detection.
Step 3, laser pick-off Performance Detection
Receive the detection and the adjustment of visual field, use laser analog light source, off axis paraboloidal mirror, two wedges etc. to carry out.
Step 4, laser ranging illumination module system performance testing
The system performance of laser ranging illumination module detects uses long burnt ccd video camera, off axis paraboloidal mirror, laser analog light source, white light source, beam divider, target plate, total reflective mirror, objective lens, nanosecond detector, accurate echo chronotron etc. to carry out.
Claims (3)
1. based on the range finder using laser performance test optical system of off axis paraboloidal mirror, comprise light source part, Laser emission performance measurement unit, laser pick-off performance measurement unit and laser ranging/illumination module performance measurement unit; It is characterized in that: light source part is made up of turn back mirror and long burnt ccd video camera of off-axis paraboloidal mirror, white light source and graticule, beam divider 1, beam divider 2, target plate, aperture; Laser emission performance measurement unit comprise total reflective mirror, objective lens, spectroscope, energy-probe, nanosecond detector and light divide the appearance detector; Laser pick-off performance measurement unit comprises laser analog light source and two wedges;
In Laser Measurement emitting performance process; In the total reflective mirror incision light path, laser is by the emission of laser emission assembly, and laser expands Shu Houzai through emitting antenna and reflected by total reflective mirror; Pass through objective lens then; Through behind the spectroscope, a part of laser gets into energy-probe and comes the Laser Measurement energy, and another part gets into light and divides the appearance detector to come the measuring laser beam quality; When total reflective mirror removed light path, laser was imaged on the graticule through attenuator and off axis paraboloidal mirror, utilized long burnt ccd video camera then and turned back sem observation laser beam axis deviation and optical axis stable property, and white light source is cross curve on graticule be benchmark;
In Laser Measurement receptivity process; Total reflective mirror removes light path; The laser analog light source is through aperture emission continuous analog laser; This laser becomes parallel beam through off axis paraboloidal mirror again through beam divider 2 and beam divider 1, gets into receiving antenna through two wedges at last and arrives the laser pick-off assembly.
2. the range finder using laser performance test optical system based on off axis paraboloidal mirror as claimed in claim 1 is characterized in that: described laser ranging/illumination module performance measurement unit comprise accurate echo chronotron and nanosecond detector; Detector received the laser that the laser emission assembly sends and triggered Laser Simulator through precision repayment chronotron and produce simulated laser nanosecond; Simulated laser through postponing will be received by the laser pick-off assembly, realize the simulation test of laser range finder range capability.
3. according to claim 1 or claim 2 range finder using laser performance test optical system based on off axis paraboloidal mirror; It is characterized in that: above-mentioned optical system is an optical reference with the focus of off axis paraboloidal mirror, and makes up two conjugate focuses by beam divider 1, beam divider 2; One is used for placing the target plate that receives laser, and another is used to place the laser analog light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102563806A CN102819014B (en) | 2012-07-23 | 2012-07-23 | Optical system for testing laser distance measurer performance based on off-axis parabolic mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102563806A CN102819014B (en) | 2012-07-23 | 2012-07-23 | Optical system for testing laser distance measurer performance based on off-axis parabolic mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102819014A true CN102819014A (en) | 2012-12-12 |
| CN102819014B CN102819014B (en) | 2013-11-13 |
Family
ID=47303241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102563806A Expired - Fee Related CN102819014B (en) | 2012-07-23 | 2012-07-23 | Optical system for testing laser distance measurer performance based on off-axis parabolic mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102819014B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792591A (en) * | 2014-03-06 | 2014-05-14 | 江苏北方湖光光电有限公司 | Day and night photoelectric through-window detection system |
| CN103791843A (en) * | 2013-11-05 | 2014-05-14 | 中国科学院西安光学精密机械研究所 | System capable of realizing precise measurement of off-axis parameters of off-axis reflector and method thereof |
| CN105044704A (en) * | 2015-07-24 | 2015-11-11 | 北京空间机电研究所 | High precision spaceborne laser transmitter performance integrated test system |
| CN106443954A (en) * | 2016-08-31 | 2017-02-22 | 湖北久之洋红外系统股份有限公司 | Optical axis debugging system and method of laser range finder |
| CN106646428A (en) * | 2016-09-27 | 2017-05-10 | 苏州镭萨光电科技有限公司 | Precise laser-transmitting-and-receiving antenna's comprehensive debugging and testing system |
| CN107727008A (en) * | 2017-10-13 | 2018-02-23 | 中国科学院上海技术物理研究所 | A kind of active electro-optical system that measures receives and dispatches coaxial device and method |
| CN108051182A (en) * | 2017-11-07 | 2018-05-18 | 扬州莱达光电技术有限公司 | A kind of laser subsystem integral test system |
| CN108444410A (en) * | 2018-06-20 | 2018-08-24 | 湖北三江航天红峰控制有限公司 | Convergent laser emits optical axis and tracking optical axis parallelism measuring apparatus and method |
| CN109374261A (en) * | 2018-11-22 | 2019-02-22 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of multi-light axis consistency detection device and method based on target switching |
| CN109407076A (en) * | 2018-12-24 | 2019-03-01 | 西安工业大学 | High energy pulse laser range finder system for testing optical axis and its detection method |
| CN109813529A (en) * | 2017-11-21 | 2019-05-28 | 北京振兴计量测试研究所 | Optical parameter detection device for laser photoelectricity detection system |
| CN110824459A (en) * | 2019-12-19 | 2020-02-21 | 成都英飞睿技术有限公司 | Intelligent optical axis adjusting system based on interference fringes and adjusting method thereof |
| CN111442911A (en) * | 2020-04-23 | 2020-07-24 | 中国科学院西安光学精密机械研究所 | System and method for measuring consistency of optical axes of high-power pulse laser range finder |
| CN112946673A (en) * | 2021-01-29 | 2021-06-11 | 上海睿钰生物科技有限公司 | Laser ranging method, focusing method, laser ranging system and focusing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231762A1 (en) * | 2003-05-29 | 2006-10-19 | Aisin Seiki Kabushiki Kaisha | Reflection type terahertz spectrometer and spectrometric method |
| CN102435987A (en) * | 2011-11-30 | 2012-05-02 | 哈尔滨工业大学 | RCS (radar cross section) measurement device based on single continuous terahertz laser source |
-
2012
- 2012-07-23 CN CN2012102563806A patent/CN102819014B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231762A1 (en) * | 2003-05-29 | 2006-10-19 | Aisin Seiki Kabushiki Kaisha | Reflection type terahertz spectrometer and spectrometric method |
| CN102435987A (en) * | 2011-11-30 | 2012-05-02 | 哈尔滨工业大学 | RCS (radar cross section) measurement device based on single continuous terahertz laser source |
Non-Patent Citations (4)
| Title |
|---|
| 《OPTICS EXPRESS》 20040503 Mattias Beck et al. "Imaging with a Terahertz quantum cascade laser" 第1879-1884页 1-3 第12卷, 第9期 * |
| 《红外技术》 20050731 邢冀川 等 "基于虚拟仪器技术的激光接收器测试系统" 第284-287页 1-3 第27卷, 第4期 * |
| MATTIAS BECK ET AL.: ""Imaging with a Terahertz quantum cascade laser"", 《OPTICS EXPRESS》 * |
| 邢冀川 等: ""基于虚拟仪器技术的激光接收器测试系统"", 《红外技术》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791843A (en) * | 2013-11-05 | 2014-05-14 | 中国科学院西安光学精密机械研究所 | System capable of realizing precise measurement of off-axis parameters of off-axis reflector and method thereof |
| CN103791843B (en) * | 2013-11-05 | 2016-08-17 | 中国科学院西安光学精密机械研究所 | The system and method that off axis reflector mirror off-axis parameter is accurately measured can be realized |
| CN103792591A (en) * | 2014-03-06 | 2014-05-14 | 江苏北方湖光光电有限公司 | Day and night photoelectric through-window detection system |
| CN105044704A (en) * | 2015-07-24 | 2015-11-11 | 北京空间机电研究所 | High precision spaceborne laser transmitter performance integrated test system |
| CN106443954A (en) * | 2016-08-31 | 2017-02-22 | 湖北久之洋红外系统股份有限公司 | Optical axis debugging system and method of laser range finder |
| CN106646428A (en) * | 2016-09-27 | 2017-05-10 | 苏州镭萨光电科技有限公司 | Precise laser-transmitting-and-receiving antenna's comprehensive debugging and testing system |
| CN107727008A (en) * | 2017-10-13 | 2018-02-23 | 中国科学院上海技术物理研究所 | A kind of active electro-optical system that measures receives and dispatches coaxial device and method |
| CN108051182A (en) * | 2017-11-07 | 2018-05-18 | 扬州莱达光电技术有限公司 | A kind of laser subsystem integral test system |
| CN108051182B (en) * | 2017-11-07 | 2020-02-21 | 扬州科莱光电技术有限公司 | Laser subsystem comprehensive test equipment |
| CN109813529A (en) * | 2017-11-21 | 2019-05-28 | 北京振兴计量测试研究所 | Optical parameter detection device for laser photoelectricity detection system |
| CN108444410A (en) * | 2018-06-20 | 2018-08-24 | 湖北三江航天红峰控制有限公司 | Convergent laser emits optical axis and tracking optical axis parallelism measuring apparatus and method |
| CN108444410B (en) * | 2018-06-20 | 2020-08-14 | 湖北三江航天红峰控制有限公司 | Device and method for measuring parallelism of convergent laser emission optical axis and tracking visual axis |
| CN109374261A (en) * | 2018-11-22 | 2019-02-22 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of multi-light axis consistency detection device and method based on target switching |
| CN109407076A (en) * | 2018-12-24 | 2019-03-01 | 西安工业大学 | High energy pulse laser range finder system for testing optical axis and its detection method |
| CN109407076B (en) * | 2018-12-24 | 2023-12-22 | 西安工业大学 | Optical axis detection system and detection method for high-energy pulse laser range finder |
| CN110824459A (en) * | 2019-12-19 | 2020-02-21 | 成都英飞睿技术有限公司 | Intelligent optical axis adjusting system based on interference fringes and adjusting method thereof |
| CN111442911A (en) * | 2020-04-23 | 2020-07-24 | 中国科学院西安光学精密机械研究所 | System and method for measuring consistency of optical axes of high-power pulse laser range finder |
| CN112946673A (en) * | 2021-01-29 | 2021-06-11 | 上海睿钰生物科技有限公司 | Laser ranging method, focusing method, laser ranging system and focusing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102819014B (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102819014B (en) | Optical system for testing laser distance measurer performance based on off-axis parabolic mirror | |
| CN101718534B (en) | Parallelism detector for optical axis of multi-optical system | |
| CN108693516B (en) | Device and method for rapidly measuring performance of laser ranging system | |
| CN105044704B (en) | The spaceborne laser transmitter integrated test system for performance of high accuracy | |
| CN111006855B (en) | Method and device for calibrating optical axis of large-caliber off-axis reflective vacuum parallel light tube | |
| CN104567738A (en) | System and method for precisely measuring optical axis parallelism | |
| CN104635207A (en) | Position determination using synthetic wave laser ranging | |
| CN105424322A (en) | Self-calibration optical axis parallelism detector and detection method | |
| CN108931783B (en) | Device and method for measuring performance of laser ranging system with high precision | |
| CN109781392B (en) | Large-view-field optical system detection device and detection method | |
| CN102564731A (en) | Device for measuring focal length and wavefront distortion of lens | |
| CN110542542A (en) | device and method for detecting consistency of optical axis of optical simulator under condition of moving platform | |
| CN112526489A (en) | Optical axis calibration system and method of laser range finder and laser parameter measurement method | |
| CN108051182B (en) | Laser subsystem comprehensive test equipment | |
| CN110657960B (en) | Image stabilization precision detection optical path system of large-view-field space astronomical telescope | |
| CN101608883B (en) | Digitized detection system of full-spectrum aiming device | |
| CN105092212B (en) | Array corner reflector pointing accuracy measuring system and method | |
| CN103105283A (en) | Focal distance measuring device of single-spectrum large-diameter long-focus lens | |
| CN101634723B (en) | Device and method for debugging emitter position of ceilometer | |
| CN204479271U (en) | A kind of laser instrument on-line monitoring system | |
| CN104614155B (en) | Corner reflector pointing accuracy measuring apparatus and method of testing | |
| CN103267631B (en) | A kind of two beacon detection system and measuring method measuring focusing anisoplanatism error | |
| CN113295386A (en) | Optical lens piece detection system and detection method | |
| CN106643798B (en) | Visible light target simulation system | |
| CN106033147A (en) | Center alignment system for optical target simulator and spherical radome |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |