CN104215430B - A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method - Google Patents
A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method Download PDFInfo
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- CN104215430B CN104215430B CN201410427125.2A CN201410427125A CN104215430B CN 104215430 B CN104215430 B CN 104215430B CN 201410427125 A CN201410427125 A CN 201410427125A CN 104215430 B CN104215430 B CN 104215430B
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- primary mirror
- reflecting surface
- optical efficiency
- testing lens
- lens
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Abstract
A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method belongs to technical field of photoelectric instruments, it is therefore intended that the problem solving can cannot detect primary mirror reflecting surface optical efficiency in real time in the condition not dismantling heavy caliber photo-electric telescope primary mirror in prior art.The present invention installs a set of monitoring and test Lens assembly that can detect with fast assembling-disassembling at primary mirror cell's inwall by fixing device, and monitoring and test Lens assembly includes picture frame and testing lens；Testing lens is positioned at the outside of primary mirror clear aperture, and testing lens and primary mirror reflecting surface are in identical use environment；Testing lens is identical with primary mirror material, simultaneously plated film, and testing lens surface institute film plating layer is identical with the film structure of primary mirror reflecting surface, and the optical efficiency of the testing lens dismantled by detection determines the optical efficiency of final primary mirror mirror surface.The present invention replaces the detection of the optical efficiency of primary mirror reflecting surface by the optical efficiency of detection testing lens, it is achieved upper simple and direct, convenient, with low 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 reflection
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.The biggest
Bore photo-electric telescope operationally optical system is in opening wide and exposes in working environment, even at environment
The most severe field work, the whole optical system of heavy caliber photo-electric telescope is difficult to accomplish sealing state,
Therefore, in corresponding lens surface can be stained with the attachments such as dust, especially optical system directly with extraneous ring
Border contacts nearest primary and secondary mirror contamination and is particularly acute, and primary and secondary mirror reflection facial film ties up to be contaminated
After directly influence the transmitance of optical system, the energy entering optical system target surface reduces, and makes photoelectricity look in the distance
The detectivity of mirror reduces, it is necessary to clean primary and secondary mirror mirror surface in time；But primary mirror mirror surface is clear
Washing relative complex, the improper scratching film layer that is easy to of method even comes off, and cleans relatively costly, is not easy to
Often cleaning, therefore the monitoring to primary mirror reflecting surface optical efficiency is the most necessary.
At present to the detection of heavy caliber optoelectronic device primary mirror reflecting surface optical transmittance after dispatching from the factory still in blank,
The especially detection in outfield cannot realize especially.Therefore heavy caliber photo-electric telescope primary mirror reflecting surface optics is imitated
The monitoring of rate has become current problem demanding prompt solution.
Summary of the invention
It is an object of the invention to propose a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection side
Method, solves heavy caliber photo-electric telescope primary mirror reflecting surface efficiency to be carried out on-line checking in prior art
Problem, determines that can the optical efficiency of primary mirror reflecting surface meet use and require and the need of cleaning, it is to avoid
Frequent cleaning to primary mirror reflecting surface.
For achieving the above object, a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency inspection of the present invention
Survey method adopts the following technical scheme that the primary mirror cell's inwall at body tube is installed a set of permissible by fixing device
The monitoring and test Lens assembly of fast assembling-disassembling detection, described monitoring and test Lens assembly includes picture frame and test mirrors
Sheet；Described testing lens is positioned at the outside of primary mirror clear aperture, and described testing lens and primary mirror reflecting surface are in phase
In same use environment；Described testing lens is identical with primary mirror material, and testing lens is with primary mirror reflecting surface simultaneously
Plated film, and keep testing lens surface institute film plating layer identical with the film structure of primary mirror reflecting surface, by detection
The optical efficiency of dismountable testing lens determines the optical efficiency of final primary mirror mirror surface.
The overall dimensions of described testing lens meets the specification of Albedometer.
Described fixation kit includes supporting seat, connecting cylinder and set lever, and described testing lens is fixed on picture frame
In, it being provided with locking hole below described picture frame, described picture frame is placed in the stopper slot supported above seat,
It is fixed with connecting cylinder below support seat, is provided with sliding bar and locking spring in described connecting cylinder, connecting cylinder another
Threadeding with adjusting nut in one end, described locking spring is enclosed within described sliding bar, one end and sliding bar one
The boss contact of end, the other end contacts with adjusting nut, and described sliding bar passes with boss one end and supports seat
Coordinating with described locking hole, the other end is hinged by rotating shaft with described set lever through connecting cylinder,
The cam shape face of described set lever contacts with adjusting nut all the time, realizes sliding by rotating described set lever
Lever stretching in the locking hole of picture frame, and then realize the locking to picture frame or unclamp.
When described set lever rotates 90 °, the decrement of locking spring is maximum, and the decrement of locking spring can
Adjusted by adjusting nut.
The invention have the benefit that a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optics effect of the present invention
Rate detection method replaces the detection of the optical efficiency of primary mirror reflecting surface by the optical efficiency of detection testing lens,
Achieve the quick detection of primary mirror mirror surface optical efficiency, especially can be to greatly after dispatching from the factory and under condition of external field
Bore photo-electric telescope primary mirror reflecting surface optical efficiency measures, and solves and is not dismantling the prestige of heavy caliber photoelectricity
Grasp to its reflecting surface optical efficiency under conditions of remote mirror primary mirror, the simplest and the most direct, convenient, become
This is cheap.
The overall dimensions of described testing lens on the premise of meeting the specification of Albedometer as far as possible
Greatly, described testing lens does not the most change the apparent condition of eyeglass in test process, after having tested again
By its Rapid reset to initial makeup location；Described primary mirror reflecting surface will monitor testing lens together when cleaning
Clean, it is ensured that the accuracy of detection.
Accompanying drawing explanation
Fig. 1 is that a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method monitoring of the present invention is surveyed
Trial lens module position schematic diagram,
Fig. 2 be the present invention a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method in monitor
Testing lens assembly front view in the locked condition；
Fig. 3 be the present invention a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method in detect
Testing lens assembly top view in the locked condition；
Fig. 4 is A-A sectional view in Fig. 2；
Fig. 5 be the present invention a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method in monitor
Testing lens assembly front view in the loosened condition；
Fig. 6 be the present invention a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method in monitor
Testing lens assembly top view in the loosened condition；
Fig. 7 is B-B sectional view in Fig. 5；
Fig. 8 be the present invention a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method in lock
Handle arrangement schematic diagram；
Wherein: 1, secondary mirror cell, 2, primary mirror cell, 3, monitoring and test Lens assembly, 4, primary mirror, 5, test
Eyeglass, 6, picture frame, 7, support seat, 8, connecting cylinder, 9, set lever, 10, rotating shaft, 11, adjust
Nut, 12, locking spring, 13, sliding bar.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
See accompanying drawing 1, a kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method of the present invention
Adopting the following technical scheme that time mirror cell 1 is arranged on body tube, primary mirror cell 2 inwall at body tube passes through
Fixing device installs a set of monitoring and test Lens assembly 3 that can detect, described monitoring and test eyeglass with fast assembling-disassembling
Assembly 3 includes picture frame 6 and testing lens 5；Described testing lens 5 is positioned at the outside of primary mirror 4 clear aperture,
Described testing lens 5 and primary mirror 4 reflecting surface are in identical use environment；Described testing lens 5 and primary mirror 4
Material is identical, testing lens 5 and primary mirror 4 plated film simultaneously, and keep testing lens 5 surface institute film plating layer with
The film structure of primary mirror 4 reflecting surface is identical, and the optical efficiency of the testing lens 5 dismantled by detection is determined
The optical efficiency of final primary mirror 4 mirror surface.
The overall dimensions 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 fixing
Assembly includes supporting seat 7, connecting cylinder 8 and set lever 9, and described testing lens 5 is fixed in picture frame 6,
Being provided with locking hole below described picture frame 6, described picture frame 6 is placed in the stopper slot supported above seat 7,
Support and be fixed with connecting cylinder 8 below seat 7, in described connecting cylinder 8, be provided with sliding bar 13 and locking spring 12,
The other end of connecting cylinder 8 is threadeded with adjusting nut 11, and described locking spring 12 is enclosed within described sliding bar
On 13, one end contacts with the boss of sliding bar 13 one end, and the other end contacts with adjusting nut 11, described cunning
Lever 13 coordinates with described locking hole through supporting seat 7 with boss one end, the other end pass connecting cylinder 8 and
Described set lever 9 is hinged by rotating shaft 10, wherein, and the locking hole of picture frame 6 and sliding bar 13
One end for there being certain complementary taper to coordinate, the cam shape face of described set lever 9 all the time with adjusting nut 11
Contact, realizes sliding bar 13 stretching in the locking hole of picture frame 6 by rotating described set lever 9, enters
And realize the locking to picture frame 6 or unclamp.
When described set lever 9 rotates 90 °, the decrement of locking spring 12 is maximum, locking spring 12
Maximum compressibility can be adjusted by adjusting nut 11.
Testing lens 5 unloading process of the present invention is: described set lever 9 is hinged on slip by rotating shaft 10
The end of bar 13, set lever 9 has the cam shape face with rotating shaft 10 as center of rotation, at set lever 9
During 10 rotation, cam lift increases around the shaft, and adjusting nut 11 is pressed in set lever 9 cam shape face orders about cunning
Lever 13 slides backward, and makes locking spring 12 compress simultaneously, when set lever 9 rotates 90 °, and locking
The decrement of spring 12 is maximum, and sliding bar 13 departs from the locking hole of picture frame 6, makes testing lens 5 with picture frame 6
Taking out together, when detecting the optical efficiency on testing lens 5 surface, picture frame 6 does not separates with testing lens 5；?
When unclamping picture frame 6, the big I of set lever 9 driving force is realized by adjusting nut 11.
Claims (4)
1. a heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection method, it is characterised in that
Primary mirror cell (2) inwall of body tube installs a set of monitoring and test that can detect with fast assembling-disassembling by fixing device
Lens assembly (3), described monitoring and test Lens assembly (3) includes picture frame (6) and testing lens (5)；
Described testing lens (5) is positioned at the outside of primary mirror (4) clear aperture, described testing lens (5) and primary mirror
(4) reflecting surface is in identical use environment；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) surface institute plated film
Layer is identical with the film structure of primary mirror (4) reflecting surface, by the optics of the testing lens (5) that detection is dismantled
Efficiency determines the optical efficiency of final primary mirror (4) mirror surface.
A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection the most according to claim 1
Method, it is characterised in that the overall dimensions of described testing lens (5) meets the specification chi of Albedometer
Very little.
A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection the most according to claim 1
Method, it is characterised in that fixation kit includes supporting seat (7), connecting cylinder (8) and set lever (9),
Described testing lens (5) is fixed in picture frame (6), and described picture frame (6) lower section is provided with locking hole, institute
State picture frame (6) to be placed in the stopper slot supporting seat (7) top, support seat (7) lower section and be fixed with connection
Cylinder (8), is provided with sliding bar (13) and locking spring (12), connecting cylinder (8) in described connecting cylinder (8)
The other end threaded with adjusting nut (11), described locking spring (12) is enclosed within described sliding bar (13)
On, one end contacts with the boss of sliding bar (13) one end, and the other end contacts with adjusting nut (11), institute
Stating sliding bar (13) to coordinate with described locking hole through supporting seat (7) with boss one end, the other end passes
Connecting cylinder (8) and described set lever (9) are hinged by rotating shaft (10), described set lever
(9) cam shape face contacts with adjusting nut (11) all the time, real by rotating described set lever (9)
Existing sliding bar (13) stretching in the locking hole of picture frame (6), and then realize the locking to picture frame (6)
Or unclamp.
A kind of heavy caliber photo-electric telescope primary mirror reflecting surface optical efficiency detection the most according to claim 3
Method, it is characterised in that when described set lever (9) rotates 90 °, the decrement of locking spring (12)
Maximum, the decrement of locking spring (12) can be passed through adjusting nut (11) and adjust.
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 CN104215430A (en) | 2014-12-17 |
| CN104215430B true CN104215430B (en) | 2016-12-07 |
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|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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 |
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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)
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| "Wolter Ⅰ型反射镜面形在线检测装置设计";催天刚 等;《光学精密工程》;20100831;第18卷(第8期);第1801-1806页 * |
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| CN104215430A (en) | 2014-12-17 |
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Granted publication date: 20161207 Termination date: 20180826 |