CN103345038A - Cube-corner prism vertical type optical axis determining system and method - Google Patents
Cube-corner prism vertical type optical axis determining system and method Download PDFInfo
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- CN103345038A CN103345038A CN201310263797XA CN201310263797A CN103345038A CN 103345038 A CN103345038 A CN 103345038A CN 201310263797X A CN201310263797X A CN 201310263797XA CN 201310263797 A CN201310263797 A CN 201310263797A CN 103345038 A CN103345038 A CN 103345038A
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Abstract
The invention relates to a cube-corner prism vertical type optical axis determining system and method. The system comprises a posture adjustment tool, a rotary platform, a prism frame, an internal focusing telescope, a light source, a CCD camera and a PC, wherein the posture adjustment tool is arranged on the rotary platform, a light source hole is formed in the center of the rotary platform, the light source is installed in the light source hole, the prism frame is fixed on the top surface of the rotary platform, the internal focusing telescope is arranged right above the prism frame and is connected with the CCD camera, the CCD camera receives image points of the internal focusing telescope, the other end of the CCD camera is connected with the PC, and a cube-corner prism is fixed in the prism frame. The cube-corner prism vertical type optical axis determining system and method solves the technical problem that a cube-corner prism optical axis determining method is unavailable currently. The cube-corner prism vertical type optical axis determining system is simple in structure.
Description
Technical field
The invention belongs to the optical centering field, be specifically related to the vertical optics dead axle of a kind of pyramid mirror system and method.
Background technology
Prism of corner cube (retroreflecting device) is a kind of inner full-reflection prism of making according to the critical angle principle, and it is not subjected to the influence of incident angle size, 180 ° of incident light reflections.In other words, for arbitrary incident ray that enters clear aperature, all will be reflected back by former direction efficiently.During World War II, just use this prism and seek secret airport.The pilot is as long as load onto a flashlamp and do not need from ground to shoot out light near his forehead, is positioned at prism on the airport by former road Returning beam, thereby finds the airport.In Apollo (Apollo) space travel, prism of corner cube has important use.Place the array of 50 above prism of corner cubes on the moonscape, the astronomer receives high-power laser beam directive prism array and returns the light beam of penetrating with telescope then.Laser beam approximately needs time 2.8s through by the twice stroke of the earth to the moon, can accurately calculate the earth thus to the distance of the moon.
Prism of corner cube is more and more used, but does not but have a kind of method that can determine the optical axis of prism of corner cube, influences the service precision of prism of corner cube.
Summary of the invention
Determine the technical matters of method blank at having the prism of corner cube optical axis now, the invention provides the vertical optics dead axle of a kind of prism of corner cube system and method.
Technical solution of the present invention:
The vertical optics dead axle of prism of corner cube system, its special character is: comprise attitude adjustment frock, revolving dial, picture frame, internal focusing telescope, light source, CCD camera and PC,
Described attitude is adjusted frock and is arranged on the revolving dial, the center of described revolving dial is provided with light source hole, and described light source is installed in the light source hole, and described picture frame is fixed on the end face of revolving dial, described internal focusing telescope be arranged on picture frame directly over, be connected with the CCD camera; Described CCD camera receives the picture point of internal focusing telescope, and the other end of described CCD camera and PC joint angle cone prism are fixed in the picture frame.
A kind of axis fixation method based on the vertical optics dead axle of prism of corner cube system may further comprise the steps:
1] internal focusing telescope is accommodated to the position, infinite distance, search out the autocollimation reflection picture point of prism of corner cube end face;
2] internal focusing telescope is accommodated to the prism of corner cube vertex position again, open light source simultaneously, seek the summit transmission picture point of prism of corner cube, light source is exactly the summit transmission picture point of prism of corner cube through imaging point behind the prism of corner cube;
3] with step 1], step 2] two picture points finding are presented on the PC by the CCD camera;
4] adjust attitude and adjust frock, and two picture points on the observation PC, gradually become and draw roundlet even near transfixion by drawing a great circle until the movement locus of the autocollimation of prism of corner cube end face reflection picture point and prism of corner cube summit transmission picture point, this moment prism of corner cube optical axis and the centre of gyration of rotary table overlap.
The advantage that the present invention has:
1, the vertical optics dead axle of prism of corner cube of the present invention system is simple in structure.
2, the present invention adopts the optical non-contact metering system fully, seek the end face of prism of corner cube and the reflection picture point on summit, change the spatial attitude of prism of corner cube by horizontal adjusting mechanism and aligning elevation gear, control the jerk value of two picture points in internal focusing telescope, guarantee the registration accuracy of optical axis and revolving dial revolving shaft.
Description of drawings
Fig. 1 is the structural representation of the vertical optics dead axle of prism of corner cube of the present invention system;
Wherein Reference numeral is: the 1-attitude is adjusted frock, 3-revolving dial, 4-prism of corner cube, 5-internal focusing telescope, 6-CCD camera, 7-PC machine, 8-picture frame, 9-power supply, 10-light source.
Embodiment
Seek prism of corner cube front end face autocollimatic reflection image and prism of corner cube summit transmission picture by internal focusing telescope, the rotation high-precision rotary working-table is also adjusted attitude and is adjusted frock two picture points are not all rocked, and its optical axis can be determined (this moment, prism of corner cube optical axis and high-precision rotary working-table center overlapped)
Concrete steps: 1. internal focusing telescope is accommodated to the position, infinite distance, search out the autocollimation reflection image of prism of corner cube end face; 2. internal focusing telescope is accommodated to the prism of corner cube vertex position again, open light source simultaneously, seek the summit transmission picture point of prism of corner cube, light source is exactly the summit transmission picture point of prism of corner cube through imaging point behind the prism of corner cube; 3. adjust level and the pitch attitude that frock is adjusted high-precision rotary working-table by attitude, control the rolling momentum of two picture points, 2 pictures are not rocked; 4. the optical axis of prism of corner cube can be determined at this moment, and namely the centre of gyration of the optical axis of prism of corner cube and high-precision rotary working-table overlaps.
Claims (2)
1. the vertical optics dead axle of prism of corner cube system is characterized in that: comprise that attitude adjusts frock, revolving dial, picture frame, internal focusing telescope, light source, CCD camera and PC,
Described attitude is adjusted frock and is arranged on the revolving dial, the center of described revolving dial is provided with light source hole, and described light source is installed in the light source hole, and described picture frame is fixed on the end face of revolving dial, described internal focusing telescope be arranged on picture frame directly over, be connected with the CCD camera; Described CCD camera receives the picture point of internal focusing telescope, and the other end of described CCD camera and PC joint angle cone prism are fixed in the picture frame.
2. axis fixation method based on the vertical optics dead axle of the described prism of corner cube of claim 1 system is characterized in that: may further comprise the steps:
1] internal focusing telescope is accommodated to the position, infinite distance, search out the autocollimation reflection picture point of prism of corner cube end face;
2] internal focusing telescope is accommodated to the prism of corner cube vertex position again, open light source simultaneously, seek the summit transmission picture point of prism of corner cube, light source is exactly the summit transmission picture point of prism of corner cube through imaging point behind the prism of corner cube;
3] with step 1], step 2] two picture points finding are presented on the PC by the CCD camera;
4] adjust attitude and adjust frock, and two picture points on the observation PC, gradually become and draw roundlet even near transfixion by drawing a great circle until the movement locus of the autocollimation of prism of corner cube end face reflection picture point and prism of corner cube summit transmission picture point, this moment prism of corner cube optical axis and the centre of gyration of rotary table overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310263797.XA CN103345038B (en) | 2013-06-27 | 2013-06-27 | Cube-corner prism vertical type optical axis determining system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310263797.XA CN103345038B (en) | 2013-06-27 | 2013-06-27 | Cube-corner prism vertical type optical axis determining system and method |
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| CN103345038A true CN103345038A (en) | 2013-10-09 |
| CN103345038B CN103345038B (en) | 2015-05-27 |
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| CN201310263797.XA Expired - Fee Related CN103345038B (en) | 2013-06-27 | 2013-06-27 | Cube-corner prism vertical type optical axis determining system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296654A (en) * | 2014-09-26 | 2015-01-21 | 中国科学院光电研究院 | Device and method for detecting zero position installation errors of position detector of laser tracker |
| CN104483741A (en) * | 2014-11-20 | 2015-04-01 | 中国工程物理研究院激光聚变研究中心 | Method for accurately setting optical axis of wedge lens |
| CN104483757A (en) * | 2014-11-20 | 2015-04-01 | 中国工程物理研究院激光聚变研究中心 | Precise axis fixing method for abaxial non-spherical element |
| CN114690393A (en) * | 2020-12-31 | 2022-07-01 | 上海微电子装备（集团）股份有限公司 | Internal focusing telescope |
| CN116429375A (en) * | 2023-03-29 | 2023-07-14 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031931U (en) * | 1988-01-26 | 1989-02-01 | 中国科学院长春光机所 | Photoelectric automatic centering device for optical lenses |
| CN102538689A (en) * | 2011-12-29 | 2012-07-04 | 中国科学院上海光学精密机械研究所 | Centering and locating device of optical system and using method thereof |
| CN103376530A (en) * | 2012-04-20 | 2013-10-30 | 上海微电子装备有限公司 | Cube-corner prism adjustment locating device and method |
| CN203365780U (en) * | 2013-06-27 | 2013-12-25 | 中国科学院西安光学精密机械研究所 | Vertical optical axis positioning system for pyramid prism |
-
2013
- 2013-06-27 CN CN201310263797.XA patent/CN103345038B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031931U (en) * | 1988-01-26 | 1989-02-01 | 中国科学院长春光机所 | Photoelectric automatic centering device for optical lenses |
| CN102538689A (en) * | 2011-12-29 | 2012-07-04 | 中国科学院上海光学精密机械研究所 | Centering and locating device of optical system and using method thereof |
| CN103376530A (en) * | 2012-04-20 | 2013-10-30 | 上海微电子装备有限公司 | Cube-corner prism adjustment locating device and method |
| CN203365780U (en) * | 2013-06-27 | 2013-12-25 | 中国科学院西安光学精密机械研究所 | Vertical optical axis positioning system for pyramid prism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296654A (en) * | 2014-09-26 | 2015-01-21 | 中国科学院光电研究院 | Device and method for detecting zero position installation errors of position detector of laser tracker |
| CN104483741A (en) * | 2014-11-20 | 2015-04-01 | 中国工程物理研究院激光聚变研究中心 | Method for accurately setting optical axis of wedge lens |
| CN104483757A (en) * | 2014-11-20 | 2015-04-01 | 中国工程物理研究院激光聚变研究中心 | Precise axis fixing method for abaxial non-spherical element |
| CN104483741B (en) * | 2014-11-20 | 2017-07-18 | 中国工程物理研究院激光聚变研究中心 | Wedge-shaped lens precision axis fixation method |
| CN104483757B (en) * | 2014-11-20 | 2018-01-12 | 中国工程物理研究院激光聚变研究中心 | Off-axis aspheric surface element precision axis fixation method |
| CN114690393A (en) * | 2020-12-31 | 2022-07-01 | 上海微电子装备（集团）股份有限公司 | Internal focusing telescope |
| CN114690393B (en) * | 2020-12-31 | 2023-04-18 | 上海微电子装备（集团）股份有限公司 | Internal focusing telescope |
| CN116429375A (en) * | 2023-03-29 | 2023-07-14 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
| CN116429375B (en) * | 2023-03-29 | 2024-03-12 | 知一航宇(北京)科技有限公司 | Photoelectric axis pointing consistency calibration method |
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| Publication number | Publication date |
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| CN103345038B (en) | 2015-05-27 |
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