CN103713291A - Semi-active laser target detection apparatus - Google Patents
Semi-active laser target detection apparatus Download PDFInfo
- Publication number
- CN103713291A CN103713291A CN201310712361.4A CN201310712361A CN103713291A CN 103713291 A CN103713291 A CN 103713291A CN 201310712361 A CN201310712361 A CN 201310712361A CN 103713291 A CN103713291 A CN 103713291A
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- China
- Prior art keywords
- lens
- semi
- quadrant detector
- optical system
- target detection
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- 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
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a semi-active laser target detection apparatus comprising a non-imaging optical system and a four-quadrant detector. The non-imaging optical system comprises a housing, a ball cover, a narrowband interference filter, a negative lens, a positive balsaming lens and a positive lens. The ball cover and the narrowband interference filter are fixed in a centre hole at the front end of the housing; the negative lens is arranged closely next to the narrowband interference filter; the negative lens is fixedly arranged in a centre hole of a support; the support and the housing are fixedly arranged; and the positive balsaming lens, the positive lens and the four-quadrant detector are sequentially fixed in the centre hole of the support close to the negative lens. The diameter of the photosurface of the four-quadrant detector is 10 mm. The four-quadrant detector is not positioned on a focal plane of the optical system, and has -3 mm defocusing amount. The semi-active laser target detection apparatus has the advantages of relatively-large view field, relatively-high detection precision, simple structure, low cost and convenient usage, and having very good market application prospect.
Description
Technical field
The invention belongs to laser guidance technique field, particularly a kind of laser eyepiece sniffer of half active.
Background technology
Optical system of the present invention belongs to non-imaging system, echo signal forms a certain size and uniform hot spot after optical system on 4 quadrant detector target surface, and detector covers 4 zoness of different of detector area by analyzing hot spot judges the orientation of target.Be applied to armament systems and can improve its striking capabilities.Though the patent of the patent CN102323590A accurate recognition device in Semi-active LASER target azimuth is same area, the emphasis relating to is different.Type photodetector is different simultaneously.Mono-kind of the patent CN101672641A optical precision tracking detector based on double-four quadrants photoelectric detector is with being all laser guidance field, and type photodetector is different, and optical system adopts reflective.
Summary of the invention
In order to overcome the shortcoming of prior art, the invention provides a kind of Semi-active LASER target detection unit, its visual field is larger, and detection accuracy is higher, simple in structure, and price is low, easy to use, has good market application foreground.
The present invention solves the technical scheme that its technical matters takes: comprise non-imaging optical system and 4 quadrant detector; Non-imaging optical system comprises shell, ball cover, spike interference filter, negative lens, positive balsaming lens and positive lens, front end center pit interior fixedly ball cover and the spike interference filter of shell, near spike interference filter, there is negative lens, negative lens is fixed in the center pit of support, support and shell are fixed, and near in the center pit of negative lens support, fix successively positive balsaming lens, positive lens and 4 quadrant detector; The photosurface diameter of 4 quadrant detector is 10mm, and 4 quadrant detector is not positioned on the focal plane of optical system, but have-3mm defocusing amount.
Visual field of the present invention is larger, and detection accuracy is higher, simple in structure, and price is low, easy to use, has good market application foreground.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is light path schematic diagram of the present invention;
Fig. 3 is optical system hot spot Evaluation for Uniformity function relative exposure distribution plan of the present invention (being followed successively by from left to right 0,0.7,1 visual field);
Fig. 4 is optical system spot size evaluation function radial energy curve map of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the present invention includes non-imaging optical system and 4 quadrant detector; Non-imaging optical system comprises shell 7, ball cover 1, spike interference filter 2, negative lens 3, positive balsaming lens 4 and positive lens 5, front end center pit interior fixedly ball cover 1 and the spike interference filter 2 of shell 7, near spike interference filter 2, there is negative lens 3, negative lens 3 is fixed in the center pit of support 8, support 8 is fixing with shell 7, near in the center pit of negative lens 3 supports 8, fixes successively positive balsaming lens 4, positive lens 5 and 4 quadrant detector 6.
Described 4 quadrant detector 6 is not positioned on the focal plane of optical system, but has certain defocusing amount.Sniffer operation wavelength is the laser wavelength of 1064nm, has larger visual field.The bandwidth of spike interference filter is 15nm.
Referring to accompanying drawing 2, optical system material therefor is all domestic common used material, comprises K9, ZF6 or BAK4, is coated with the anti-reflection film of 1064nm simultaneously, and ball cover 1 is coated with water-repellent layer.System face type is spherical mirror, there is no aspheric surface, is conducive to cut down finished cost.Optical design parameter of the present invention is as follows:
The parameter of described 4 quadrant detector is as follows.
Referring to accompanying drawing 3: each visual field relative exposure of Semi-active LASER target detection unit optical system hot spot is evenly distributed.
Referring to accompanying drawing 4: during the known energy 100% of Semi-active LASER target detection unit optical system hot spot radial energy curve map, the spot diameter of different visual fields guarantees 5mm left and right, it is detection system optimal spot size.
Above-mentioned explanation, be only exemplifying embodiment of the present invention, non-for limiting embodiments of the invention, according to feature category of the present invention, other equivalences of doing change as profile variation, material selection or change of shape etc., all should be encompassed in institute of the present invention claim.
Claims (5)
1. a Semi-active LASER target detection unit, it is characterized in that: comprise non-imaging optical system and 4 quadrant detector, non-imaging optical system comprises shell (7), ball cover (1), spike interference filter (2), negative lens (3), positive balsaming lens (4) and positive lens (5), front end center pit interior fixedly ball cover (1) and the spike interference filter (2) of shell (7), near spike interference filter (2), there is negative lens (3), negative lens (3) is fixed in the center pit of support (8), support (8) is fixing with shell (7), near in the center pit of negative lens (3) support (8), fix successively positive balsaming lens (4), positive lens (5) and 4 quadrant detector (6), the photosurface diameter of 4 quadrant detector is 10mm, and 4 quadrant detector is not positioned on the focal plane of optical system, but the defocusing amount of have-3mm.
2. Semi-active LASER target detection unit according to claim 1, is characterized in that: the bandwidth of described spike interference filter (2) is 15nm.
3. Semi-active LASER target detection unit according to claim 1, is characterized in that: described optical system material therefor is K9, ZF6 or BAK4, and be coated with the anti-reflection film of 1064nm, ball cover (1) is coated with water-repellent layer simultaneously.
4. Semi-active LASER target detection unit according to claim 1, is characterized in that: optical design parameter is as follows.
5. Semi-active LASER target detection unit according to claim 1, is characterized in that: the parameter of described 4 quadrant detector is as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712361.4A CN103713291A (en) | 2013-12-20 | 2013-12-20 | Semi-active laser target detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712361.4A CN103713291A (en) | 2013-12-20 | 2013-12-20 | Semi-active laser target detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103713291A true CN103713291A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310712361.4A Pending CN103713291A (en) | 2013-12-20 | 2013-12-20 | Semi-active laser target detection apparatus |
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| Country | Link |
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| CN (1) | CN103713291A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353880A (en) * | 2016-11-04 | 2017-01-25 | 湖北三江航天万峰科技发展有限公司 | Laser semi-active detection zooming type optical receiving system |
| CN107643022A (en) * | 2017-08-30 | 2018-01-30 | 福建福光股份有限公司 | A kind of las er-guidance camera lens based on 4 quadrant detector |
| CN107741622A (en) * | 2017-10-31 | 2018-02-27 | 河北汉光重工有限责任公司 | A kind of split type adjustment framework for optical lens |
| CN109579639A (en) * | 2018-11-26 | 2019-04-05 | 中国航发南方工业有限公司 | Semi-active LASER target seeker |
| CN109581402A (en) * | 2019-01-24 | 2019-04-05 | 西安深瞳智控技术有限公司 | A kind of strapdown laser half actively guides shot detection system and method |
| CN109683172A (en) * | 2019-01-24 | 2019-04-26 | 西安深瞳智控技术有限公司 | A kind of slave laser half actively guides shot detection system and method |
| CN110988892A (en) * | 2019-12-09 | 2020-04-10 | 北京信息科技大学 | Laser active detection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323590A (en) * | 2011-05-30 | 2012-01-18 | 北京理工大学 | Device for accurately identifying semi-active laser target azimuth |
| CN102706320A (en) * | 2012-03-20 | 2012-10-03 | 浙江大学 | Method for reducing background light radiation in laser ranging system |
-
2013
- 2013-12-20 CN CN201310712361.4A patent/CN103713291A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323590A (en) * | 2011-05-30 | 2012-01-18 | 北京理工大学 | Device for accurately identifying semi-active laser target azimuth |
| CN102706320A (en) * | 2012-03-20 | 2012-10-03 | 浙江大学 | Method for reducing background light radiation in laser ranging system |
Non-Patent Citations (2)
| Title |
|---|
| 余峰、何烨、李松、张继涛: "四象限光电检测系统的定位算法研究及改进", 《应用光学》 * |
| 胡博、常伟军、孙婷、何玉兰: "激光半主动制导导引头光学系统的设计", 《应用光学》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353880A (en) * | 2016-11-04 | 2017-01-25 | 湖北三江航天万峰科技发展有限公司 | Laser semi-active detection zooming type optical receiving system |
| CN106353880B (en) * | 2016-11-04 | 2019-02-19 | 湖北三江航天万峰科技发展有限公司 | A kind of half active probe zoom-type optical receiving system of laser |
| CN107643022A (en) * | 2017-08-30 | 2018-01-30 | 福建福光股份有限公司 | A kind of las er-guidance camera lens based on 4 quadrant detector |
| CN107643022B (en) * | 2017-08-30 | 2019-07-05 | 福建福光股份有限公司 | A kind of las er-guidance camera lens based on 4 quadrant detector |
| CN107741622A (en) * | 2017-10-31 | 2018-02-27 | 河北汉光重工有限责任公司 | A kind of split type adjustment framework for optical lens |
| CN107741622B (en) * | 2017-10-31 | 2020-07-03 | 河北汉光重工有限责任公司 | Split type adjusting frame for optical lens |
| CN109579639A (en) * | 2018-11-26 | 2019-04-05 | 中国航发南方工业有限公司 | Semi-active LASER target seeker |
| CN109581402A (en) * | 2019-01-24 | 2019-04-05 | 西安深瞳智控技术有限公司 | A kind of strapdown laser half actively guides shot detection system and method |
| CN109683172A (en) * | 2019-01-24 | 2019-04-26 | 西安深瞳智控技术有限公司 | A kind of slave laser half actively guides shot detection system and method |
| CN110988892A (en) * | 2019-12-09 | 2020-04-10 | 北京信息科技大学 | Laser active detection system |
| CN110988892B (en) * | 2019-12-09 | 2022-04-26 | 北京信息科技大学 | Laser active detection system |
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Application publication date: 20140409 |