CN104215430A - Optical efficiency detection method for reflecting surface of primary mirror of large-aperture photoelectric telescope - Google Patents
Optical efficiency detection method for reflecting surface of primary mirror of large-aperture photoelectric telescope Download PDFInfo
- Publication number
- CN104215430A CN104215430A CN201410427125.2A CN201410427125A CN104215430A CN 104215430 A CN104215430 A CN 104215430A CN 201410427125 A CN201410427125 A CN 201410427125A CN 104215430 A CN104215430 A CN 104215430A
- Authority
- CN
- China
- Prior art keywords
- primary mirror
- optical efficiency
- reflecting surface
- detection method
- testing lens
- 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
Landscapes
- Telescopes (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses an optical efficiency detection method for the reflecting surface of a primary mirror of a large-aperture photoelectric telescope, belongs to the technical field of photoelectric instruments and aims to solve the problem that optical efficiency of the primary mirror reflecting surface cannot be detected in real time if the primary mirror of the large-aperture photoelectric telescope is not demounted in the prior art. A monitoring test lens component which can be quickly demounted for detection is mounted on the inner wall of a primary mirror chamber through a fixing device and comprises a mirror frame and a test lens, the test lens is positioned outside a primary mirror clear aperture, and the test lens and the primary mirror reflecting surface are in an identical using environment; the test lens and the primary mirror are made by an identical material and coated, a film coated on the surface of the test lens and a film system of the primary mirror reflecting surface are identical in structure, and optical efficiency of the primary mirror reflecting surface is determined by detecting optical efficiency of the test lens which is demounted. Detection of optical efficiency of the primary mirror reflecting surface is replaced by detection of optical efficiency of the test lens, so that the optical efficiency detection method is simple, quick and convenient in realization and low in cost.
Description
Technical field
The invention belongs to technical field of photoelectric instruments, be specifically related to a kind of heavy caliber photo-electric telescope primary mirror reflects face optical efficiency detection method.
Background technology
Heavy caliber photo-electric telescope is mainly used in the real-time measurement of airflight target location and track.General heavy caliber photo-electric telescope operationally optical system be all in open wide expose in working environment, even in the field work that environment is more severe, the whole optical system of heavy caliber photo-electric telescope is difficult to accomplish sealing state, therefore, the attachments such as dust can be stained with at corresponding lens surface, especially directly nearest master is contacted with external environment in optical system, the pollution that secondary mirror is subject to is particularly serious, main, secondary mirror reflection facial mask directly has influence on the transmitance of optical system after tying up to and being polluted, the energy entering optical system target surface reduces, the detectivity of photo-electric telescope is reduced, must to master, secondary mirror mirror surface cleans in time, but the cleaning relative complex of primary mirror reflects minute surface, the improper scuffing rete that is easy to of method even comes off, and it is higher to clean cost, is not easy to frequent cleaning, therefore very necessary to the monitoring of primary mirror reflects face optical efficiency.
At present still be in blank to the detection of heavy caliber optoelectronic device primary mirror reflects face optical transmittance after dispatching from the factory, the detection especially in outfield cannot realize especially.Therefore current problem demanding prompt solution has been become to the monitoring of heavy caliber photo-electric telescope primary mirror reflects face optical efficiency.
Summary of the invention
The object of the invention is to propose a kind of heavy caliber photo-electric telescope primary mirror reflects face optical efficiency detection method, solve the problem cannot carrying out on-line checkingi in prior art to heavy caliber photo-electric telescope primary mirror reflects face efficiency, determine that can the optical efficiency in primary mirror reflects face meet request for utilization and the need of cleaning, avoid the frequent cleaning to primary mirror reflects face.
For achieving the above object, a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention optical efficiency detection method adopts following technical scheme: body tube primary mirror cell's inwall by stationary installation install a set of can fast assembling-disassembling detect monitoring and test Lens assembly, described monitoring and test Lens assembly comprises picture frame and testing lens; Described testing lens is positioned at the outside of primary mirror clear aperture, and described testing lens and primary mirror reflects face are in identical environment for use; Described testing lens is identical with primary mirror material, testing lens and primary mirror reflects face plated film simultaneously, and keep testing lens surface institute film plating layer identical with the film structure in primary mirror reflects face, the optical efficiency of final primary mirror reflects minute surface is determined by the optical efficiency detecting dismountable testing lens.
The physical dimension of described testing lens meets the specification of Albedometer.
Described fixation kit comprises supporting seat, connecting cylinder and set lever, described testing lens is fixed in picture frame, locking hole is provided with below described picture frame, described picture frame is placed in the stopper slot above supporting seat, connecting cylinder is fixed with below supporting seat, sliding bar and locking spring is provided with in described connecting cylinder, the other end of connecting cylinder is threaded with adjusting nut, described locking spring is enclosed within described sliding bar, one end contacts with the boss of sliding bar one end, the other end contacts with adjusting nut, described sliding bar coordinates with described locking hole through supporting seat with boss one end, it is hinged that the other end passes through rotating shaft through connecting cylinder and described set lever, the cam-shaped face of described set lever contacts with adjusting nut all the time, sliding bar stretching in the locking hole of picture frame is realized by rotating described set lever, and then realize the locking of picture frame or unclamp.
When described set lever rotates 90 °, the decrement of locking spring is maximum, and the decrement of locking spring adjusts by adjusting nut.
Beneficial effect of the present invention is: a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention optical efficiency detection method replaces the detection of the optical efficiency in primary mirror reflects face by the optical efficiency detecting testing lens, achieve the quick detection of primary mirror reflects specular optical efficiency, especially can measure heavy caliber photo-electric telescope primary mirror reflects face optical efficiency after dispatching from the factory and under condition of external field, solve the grasp to its reflecting surface optical efficiency under the condition not dismantling heavy caliber photo-electric telescope primary mirror, simultaneously simple and direct, convenient, with low cost in realization.
The physical dimension of described testing lens is large as far as possible under the prerequisite of specification meeting Albedometer, and described testing lens does not change the surface state of eyeglass as far as possible in test process, after having tested again by its Rapid reset to initial makeup location; Monitor test eyeglass together cleans when cleaning by described primary mirror reflects face, ensure that the accuracy of detection.
Accompanying drawing explanation
Fig. 1 is a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention optical efficiency detection method monitoring and test Lens assembly position view,
Fig. 2 is monitoring and test Lens assembly front view in the locked condition in the optical efficiency detection method of a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention;
Fig. 3 detects testing lens assembly vertical view in the locked condition in the optical efficiency detection method of a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention;
Fig. 4 is A-A cut-open view in Fig. 2;
Fig. 5 is monitoring and test Lens assembly front view in the loosened condition in the optical efficiency detection method of a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention;
Fig. 6 is monitoring and test Lens assembly vertical view in the loosened condition in the optical efficiency detection method of a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention;
Fig. 7 is B-B cut-open view in Fig. 5;
Fig. 8 is set lever structural representation in the optical efficiency detection method of a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention;
Wherein: 1, secondary mirror cell, 2, primary mirror cell, 3, monitoring and test Lens assembly, 4, primary mirror, 5, testing lens, 6, picture frame, 7, supporting seat, 8, connecting cylinder, 9, set lever, 10, rotating shaft, 11, adjusting nut, 12, locking spring, 13, sliding bar.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
See accompanying drawing 1, a kind of heavy caliber photo-electric telescope primary mirror reflects face of the present invention optical efficiency detection method adopts following technical scheme: secondary mirror cell 1 is arranged on body tube, body tube primary mirror cell 2 inwall by stationary installation install a set of can fast assembling-disassembling detect monitoring and test Lens assembly 3, described monitoring and test Lens assembly 3 comprises picture frame 6 and testing lens 5; Described testing lens 5 is positioned at the outside of primary mirror 4 clear aperture, and described testing lens 5 and primary mirror 4 reflecting surface are in identical environment for use; Described testing lens 5 is identical with primary mirror 4 material, testing lens 5 and primary mirror 4 plated film simultaneously, and keep testing lens 5 surperficial institute film plating layer identical with the film structure of primary mirror 4 reflecting surface, the optical efficiency of final primary mirror 4 mirror surface is determined by the optical efficiency of the testing lens 5 detecting dismounting.
The physical dimension of described testing lens 5 meets the specification of Albedometer.
See accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7 and accompanying drawing 8, described fixation kit comprises supporting seat 7, connecting cylinder 8 and set lever 9, described testing lens 5 is fixed in picture frame 6, locking hole is provided with below described picture frame 6, described picture frame 6 is placed in the stopper slot above supporting seat 7, connecting cylinder 8 is fixed with below supporting seat 7, sliding bar 13 and locking spring 12 is provided with in described connecting cylinder 8, the other end of connecting cylinder 8 is threaded with adjusting nut 11, described locking spring 12 is enclosed within described sliding bar 13, one end contacts with the boss of sliding bar 13 one end, the other end contacts with adjusting nut 11, described sliding bar 13 coordinates with described locking hole through supporting seat 7 with boss one end, the other end is hinged by rotating shaft 10 with described set lever 9 through connecting cylinder 8, wherein, the locking hole of picture frame 6 coordinates for there being certain complementary taper with one end of sliding bar 13, the cam-shaped face of described set lever 9 contacts with adjusting nut 11 all the time, sliding bar 13 stretching in the locking hole of picture frame 6 is realized by rotating described set lever 9, and then realize the locking of picture frame 6 or unclamp.
When described set lever 9 rotates 90 °, the decrement of locking spring 12 is maximum, and the maximum compressibility of locking spring 12 adjusts by adjusting nut 11.
Testing lens 5 unloading process of the present invention is: described set lever 9 is hinged on the end of sliding bar 13 by rotating shaft 10, the cam-shaped face that set lever 9 to have with rotating shaft 10 be rotation center, when set lever 9 10 rotation around the shaft, cam lift increases, adjusting nut 11 is pressed in set lever 9 cam-shaped face to be ordered about sliding bar 13 and slides backward, make locking spring 12 compress simultaneously, when set lever 9 rotates 90 °, the decrement of locking spring 12 is maximum, sliding bar 13 departs from the locking hole of picture frame 6, testing lens 5 is taken out with picture frame 6, when detecting the optical efficiency on testing lens 5 surface, picture frame 6 is not separated with testing lens 5, when unclamping picture frame 6, the size of set lever 9 driving force realizes by adjusting nut 11.
Claims (4)
1. a heavy caliber photo-electric telescope primary mirror reflects face optical efficiency detection method, it is characterized in that, body tube primary mirror cell (2) inwall by stationary installation install a set of can fast assembling-disassembling detect monitoring and test Lens assembly (3), described monitoring and test Lens assembly (3) comprises picture frame (6) and testing lens (5); Described testing lens (5) is positioned at the outside of primary mirror (4) clear aperture, and described testing lens (5) and primary mirror (4) reflecting surface are in identical environment for use; Described testing lens (5) is identical with primary mirror (4) material, testing lens (5) and primary mirror (4) reflecting surface plated film simultaneously, and keep testing lens (5) surperficial institute film plating layer identical with the film structure of primary mirror (4) reflecting surface, the optical efficiency of final primary mirror (4) mirror surface is determined by the optical efficiency of the testing lens (5) detecting dismounting.
2. a kind of heavy caliber photo-electric telescope primary mirror reflects face according to claim 1 optical efficiency detection method, it is characterized in that, the physical dimension of described testing lens (5) meets the specification of Albedometer.
3. a kind of heavy caliber photo-electric telescope primary mirror reflects face according to claim 1 optical efficiency detection method, it is characterized in that, described fixation kit comprises supporting seat (7), connecting cylinder (8) and set lever (9), described testing lens (5) is fixed in picture frame (6), described picture frame (6) below is provided with locking hole, described picture frame (6) is placed in the stopper slot of supporting seat (7) top, supporting seat (7) below is fixed with connecting cylinder (8), sliding bar (13) and locking spring (12) is provided with in described connecting cylinder (8), the other end of connecting cylinder (8) is threaded with adjusting nut (11), described locking spring (12) is enclosed within described sliding bar (13), one end contacts with the boss of sliding bar (13) one end, the other end contacts with adjusting nut (11), described sliding bar (13) coordinates with described locking hole through supporting seat (7) with boss one end, the other end is hinged by rotating shaft (10) through connecting cylinder (8) and described set lever (9), the cam-shaped face of described set lever (9) contacts with adjusting nut (11) all the time, sliding bar (13) stretching in the locking hole of picture frame (6) is realized by rotating described set lever (9), and then realize the locking of picture frame (6) or unclamp.
4. a kind of heavy caliber photo-electric telescope primary mirror reflects face according to claim 3 optical efficiency detection method, it is characterized in that, when described set lever (9) rotates 90 °, the decrement of locking spring (12) is maximum, and the decrement of locking spring (12) adjusts by adjusting nut (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427125.2A CN104215430B (en) | 2014-08-26 | 2014-08-26 | A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427125.2A CN104215430B (en) | 2014-08-26 | 2014-08-26 | A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104215430A true CN104215430A (en) | 2014-12-17 |
| CN104215430B CN104215430B (en) | 2016-12-07 |
Family
ID=52097153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410427125.2A Expired - Fee Related CN104215430B (en) | 2014-08-26 | 2014-08-26 | A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104215430B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281004A (en) * | 2021-04-30 | 2021-08-20 | 中国科学院紫金山天文台 | Astronomical optical telescope photoelectric efficiency calculation and actual measurement verification method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1267193A1 (en) * | 1985-04-02 | 1986-10-30 | Главная Астрономическая Обсерватория Ан Ссср | Device for checking quality of mirror surface |
| JP2001074605A (en) * | 1999-08-31 | 2001-03-23 | Nikon Corp | Apparatus for measuring wavefront aberration |
| US6312373B1 (en) * | 1998-09-22 | 2001-11-06 | Nikon Corporation | Method of manufacturing an optical system |
| CN101055224A (en) * | 2007-04-26 | 2007-10-17 | 中国科学院光电技术研究所 | Semiconductor laser self-mixing effect based high reflectivity measurement method |
| CN101251439A (en) * | 2008-03-14 | 2008-08-27 | 中国人民解放军国防科学技术大学 | Macrotype optical mirror plane on-position detecting device based on phase recuperation technique |
| CN202433174U (en) * | 2012-01-04 | 2012-09-12 | 西北工业大学 | Device for measuring diffraction efficiency of reflective grating with ellipsoidal reflector |
-
2014
- 2014-08-26 CN CN201410427125.2A patent/CN104215430B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1267193A1 (en) * | 1985-04-02 | 1986-10-30 | Главная Астрономическая Обсерватория Ан Ссср | Device for checking quality of mirror surface |
| US6312373B1 (en) * | 1998-09-22 | 2001-11-06 | Nikon Corporation | Method of manufacturing an optical system |
| JP2001074605A (en) * | 1999-08-31 | 2001-03-23 | Nikon Corp | Apparatus for measuring wavefront aberration |
| CN101055224A (en) * | 2007-04-26 | 2007-10-17 | 中国科学院光电技术研究所 | Semiconductor laser self-mixing effect based high reflectivity measurement method |
| CN101251439A (en) * | 2008-03-14 | 2008-08-27 | 中国人民解放军国防科学技术大学 | Macrotype optical mirror plane on-position detecting device based on phase recuperation technique |
| CN202433174U (en) * | 2012-01-04 | 2012-09-12 | 西北工业大学 | Device for measuring diffraction efficiency of reflective grating with ellipsoidal reflector |
Non-Patent Citations (1)
| Title |
|---|
| 催天刚 等: ""Wolter Ⅰ型反射镜面形在线检测装置设计"", 《光学精密工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281004A (en) * | 2021-04-30 | 2021-08-20 | 中国科学院紫金山天文台 | Astronomical optical telescope photoelectric efficiency calculation and actual measurement verification method |
| CN113281004B (en) * | 2021-04-30 | 2022-08-02 | 中国科学院紫金山天文台 | Astronomical optical telescope photoelectric efficiency calculation and actual measurement verification method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104215430B (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10782248B2 (en) | Automatic detection device and method for detecting surface detects of large caliber cambered optical element | |
| WO2021003802A1 (en) | Microscopic scattering polarization imaging surface defect measuring device and measuring method | |
| US11175220B2 (en) | Surface defect measuring apparatus and method by microscopic scattering polarization imaging | |
| WO2016065731A1 (en) | Optical device for quick auxiliary centering utilizing axial chromatic aberration | |
| CN106680295A (en) | Online quality detection platform for O-shaped sealing ring based on visual detection | |
| CN105698694A (en) | Flange screw hole detection apparatus | |
| CN204694452U (en) | For the self-adaptation frock clamp that optical element detects | |
| CN103822674B (en) | Range hood air performance test apparatus and certainly move orifice fitting and method | |
| CN104215430A (en) | Optical efficiency detection method for reflecting surface of primary mirror of large-aperture photoelectric telescope | |
| CN101868715A (en) | Method for inspecting coating film defect in resin-coated film | |
| CN103424243B (en) | Target system for distortion test | |
| CN103852339B (en) | From moving orifice fitting and method and having the exhausting type range hood air performance test apparatus of this device | |
| CN107024484B (en) | Display screen defect assessment device, maintenance method thereof and display screen to be detected | |
| CN108007380B (en) | A kind of surface shape error of spherical surface and radius of curvature error on-line measuring device and method | |
| CN101726244A (en) | Cylinder visual inspection system | |
| CN101650167A (en) | Eccentricity test device | |
| CN103743371A (en) | Detection apparatus capable of on-line automatic detection of nut closing-up groove depth dimensions | |
| CN104833320B (en) | Anti-transmission Eccentric Instrument test platform and anti-transmission Eccentric Instrument | |
| CN204705594U (en) | Calcium fluoride optical flat surface roughness meter | |
| CN204945410U (en) | A kind of screw thread leaks processing error prevention device | |
| CN202393582U (en) | Reflectivity detector for optical element | |
| CN204043633U (en) | VCM characteristic optical axis pick-up unit | |
| CN106862157B (en) | Contourgraph and its lens care method | |
| CN203101028U (en) | Microscopic spherical surface spectrum analyzer | |
| CN105547183A (en) | Adjustment method for resetting spatial position of detected aspheric surface |
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: 20161207 Termination date: 20180826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |