CN106501914B - Double wedges centering Method of Adjustment - Google Patents
Double wedges centering Method of Adjustment Download PDFInfo
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- CN106501914B CN106501914B CN201611142425.1A CN201611142425A CN106501914B CN 106501914 B CN106501914 B CN 106501914B CN 201611142425 A CN201611142425 A CN 201611142425A CN 106501914 B CN106501914 B CN 106501914B
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- wedge
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- adjustment
- double wedges
- turntable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Lens Barrels (AREA)
Abstract
The present invention proposes a kind of double wedge centering Method of Adjustment, using transmission-type centre deviation measurement method, parallel flat is equivalent to when the deviation angle of double wedges is zero, centre deviation of the incident parallel light after double wedges is zero, accordingly by the angle between rotating double-optical wedge, it determines null positions, is adhesively fixed, detect the position of double wedges after solidification by the method again.Using double wedges centering Method of Adjustment proposed by the present invention, double wedge adjustment process controls are realized, adjustable, optical axis can be transferred to zero-bit after guaranteeing double wedge adjustments.
Description
Technical field
The invention belongs to ray machine integration techno logy field, specially a kind of double wedge centering Method of Adjustment.
Background technique
Wedge is the optical module for being used to change emergent ray direction in infrared imaging optical system, passes through rotating double-optical wedge
By controlling the relative angle of two wedges, changes the position of optical axis, realize the quick-speed large-scale scanning of true field.
The method of double wedge optical axis corrections can be divided into manual correction and automatically correct two kinds, and the method for manual correction is based on
Groove controls the rotation of double wedges on wedge lens barrel, corrects the corresponding scale of double wedges by high scale on the outside of double wedge lens barrels
Value；The method automatically corrected is then based on stepper motor and carries out automatic rotating double-optical wedge lens barrel instead of manpower, can be obtained using detector
Know that the departure of double wedge front-rear centers is added in systematic optical axis.Two kinds of methods are all to make double light according to the optical axis deviation of optical system
Wedge rotates a certain angle, and realizes the correction to optical axis, and the first step of optical axis correction is the null positions of optical axis to be found, according to
The characteristic of double wedges knows, when the angle of wedge of two groups of double wedges towards it is opposite when, optical axis deflection is offset, and optical axis is zero-bit.But by
In double wedge lens barrel manufacturing tolerances, the double wedges for selecting pairing, which are packed into lens barrel, also to be needed to adjust the position between wedge and lens barrel
Set, current bearing calibration can only correct the position of double wedges, can not correction wedge and lens barrel position.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention proposes a kind of double wedge centering Method of Adjustment, using transmission-type
Centre deviation measurement method is equivalent to parallel flat when the deviation angle of double wedges is zero, and incident parallel light is after double wedges
Centre deviation be zero, accordingly by the angle between rotating double-optical wedge, determine null positions, be adhesively fixed, lead to again after solidification
Cross the position that the method detects double wedges.
The technical scheme is that：
A kind of double wedges centering Method of Adjustment, it is characterised in that：Include the following steps：
Step 1：Double wedge lens barrels are placed on turntable, the jerk value of small wedge mounting surface inner circle is measured with amesdial；
Step 2：The tilt quantity and translational movement for adjusting turntable, make the jerk value zero of small wedge mounting surface inner circle；
Step 3：The big wedge that bonding is completed and the small wedge not being bonded are installed in lens barrel, revolving-turret；
Step 4：The shaking of cross drone is observed in the position for adjusting small wedge；It is rotated when around lens barrel inner circle mechanical axis, cross
When target is motionless, the optical axis of double wedges and the mechanical overlapping of axles of lens barrel inner circle are indicated；
Step 5：The fixed small wedge of encapsulating, and observe cross drone position whether and encapsulating before have deviation, such as zero deflection
Then adjustment is completed, and double wedges are disassembled from turntable.
Beneficial effect
Using double wedges centering Method of Adjustment proposed by the present invention, double wedge adjustment process controls are realized, it is adjustable, guarantee
Optical axis can be transferred to zero-bit after double wedge adjustments.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, wherein：
Fig. 1 is rotating double-optical wedge schematic diagram；
Fig. 2 is double wedge structure charts；
Fig. 3 is double wedge adjustment structure charts.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
Wedge is the optical module for being used to change emergent ray direction in infrared imaging optical system, passes through rotating double-optical wedge
By controlling the relative angle of two wedges, changes the position of optical axis, realize the quick-speed large-scale scanning of true field.
Have an airspace between two wedges, keep Adjacent Working Face parallel, and can be relatively rotated around its common normal, theoretically when
Two wedge main cross sections are overlapped, at this moment two angles of wedge will generate maximum total deviation angle (for the deviation angle produced by two wedges towards a side
The sum of), when two wedge relative rotations are 180 degree, two main cross sections are still overlapped, but the angle of wedge is contrary, it is clear that combination at this moment
Double wedges are equivalent to one piece of parallel flat, the deviation angle zero.Traditional double wedge Method of Adjustment are not managed in adjustment process, dress
Optical axis tune is less than zero-bit after tune.
Double wedge centering Method of Adjustment proposed by the present invention, provide the means that can be monitored for double wedges before and after adjustment, real
Show double wedge adjustment process controls, adjustable, optical axis can be transferred to zero-bit after guaranteeing double wedge adjustments,
Adjustment tooling includes turntable, the light source with cross drone, parallel light tube and detector.
Specifically include following steps：
Step 1：Double wedge lens barrels are placed on turntable, the jerk value of small wedge mounting surface inner circle is measured with amesdial.
Step 2：The tilt quantity and translational movement for adjusting turntable, make the jerk value zero of small wedge mounting surface inner circle；It puts down at this time
The optical axis of row light pipe and the mechanical overlapping of axles of lens barrel.
Step 3：The big wedge that bonding is completed and the small wedge not being bonded are installed in lens barrel, revolving-turret.
Step 4：The shaking of cross drone is observed in the position for adjusting small wedge；If the optical axis of double wedges and lens barrel inner circle
Mechanical overlapping of axles, then around lens barrel inner circle mechanical axis rotate when, cross drone is motionless.
Step 5：The fixed small wedge of encapsulating, and observe the position of cross drone, it is desirable that cross drone during encapsulating
Zero deflection before position and encapsulating.
The encapsulating simultaneously upper pressing ring after the solidification of small wedge, pressing ring fixation can neither tension, cause optical material stress to concentrate, as
Matter changes；Again cannot be too loose, it causes relative position to change, causes optical reference to change and occur with control law
Variation.
Finally detect again cross drone position whether and encapsulating before have deviation, adjustment is completed if zero deflection, will be double
Wedge is disassembled from turntable.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (1)
- The Method of Adjustment 1. a kind of double wedges are felt relieved, it is characterised in that：The adjustment tooling of use includes turntable, the light with cross drone Source, parallel light tube and detector；Adjustment optical path is：After the light that light source with cross drone issues is adjusted to directional light, successively pass through Cross turntable, double wedges, parallel light tube and detector；Method of Adjustment includes the following steps：Step 1：Double wedge lens barrels are placed on turntable, the jerk value of small wedge mounting surface inner circle is measured with amesdial；Step 2：The tilt quantity and translational movement for adjusting turntable, make the jerk value zero of small wedge mounting surface inner circle；Step 3：The big wedge that bonding is completed and the small wedge not being bonded are installed in lens barrel, revolving-turret；Step 4：The shaking of cross drone is observed in the position for adjusting small wedge；It is rotated when around lens barrel inner circle mechanical axis, cross drone When motionless, the optical axis of double wedges and the mechanical overlapping of axles of lens barrel inner circle are indicated；Step 5：The fixed small wedge of encapsulating, and observe cross drone position whether and encapsulating before have deviation, filled if zero deflection It adjusts and completes, double wedges are disassembled from turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142425.1A CN106501914B (en) | 2016-12-13 | 2016-12-13 | Double wedges centering Method of Adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142425.1A CN106501914B (en) | 2016-12-13 | 2016-12-13 | Double wedges centering Method of Adjustment |
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| Publication Number | Publication Date |
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| CN106501914A CN106501914A (en) | 2017-03-15 |
| CN106501914B true CN106501914B (en) | 2018-11-16 |
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| CN201611142425.1A Active CN106501914B (en) | 2016-12-13 | 2016-12-13 | Double wedges centering Method of Adjustment |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153248B (en) * | 2017-07-19 | 2019-09-24 | 吴蓓蓓 | A kind of axis light wedge device |
| CN108008541B (en) * | 2017-10-25 | 2020-07-10 | 中国航空工业集团公司洛阳电光设备研究所 | Method for installing and adjusting double optical wedges |
| CN107703600A (en) * | 2017-11-14 | 2018-02-16 | 长春理工大学 | The coaxiality adjusting method and device of gyroaxis and optical axis based on double wedges |
| CN108196363B (en) * | 2017-12-20 | 2019-10-18 | 同济大学 | The rotation biprism integrated mechanism of synchronous belt driving |
| CN109884769A (en) * | 2019-01-09 | 2019-06-14 | 同济大学 | A kind of high-precision target indicator device |
| CN111239950B (en) * | 2019-12-30 | 2024-05-24 | 扬州曙光光电自控有限责任公司 | Optical axis adjusting assembly convenient for adjusting optical path |
| CN112859282B (en) * | 2021-02-26 | 2022-11-11 | 上海航天控制技术研究所 | Optical system double-optical-wedge device and zero position adjusting method thereof |
| CN113960744B (en) * | 2021-11-05 | 2023-09-12 | 中国工程物理研究院机械制造工艺研究所 | Clamp for clamping wedge-shaped mirror, wedge-shaped mirror and optical device |
| CN114114582A (en) * | 2021-11-23 | 2022-03-01 | 中国科学院微电子研究所 | Spatial beam offset correction apparatus and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6608723B2 (en) * | 2001-03-16 | 2003-08-19 | Finisar Corporation | Integrated pump combining module |
| US7119972B2 (en) * | 2004-06-24 | 2006-10-10 | Agilent Technologies, Inc. | Apparatus and method for the manipulation of a laser beam in reflection |
| CN201233246Y (en) * | 2008-07-15 | 2009-05-06 | 中国科学院西安光学精密机械研究所 | Collimator optical wedge micrometer |
| CN201632766U (en) * | 2009-09-23 | 2010-11-17 | 上海市激光技术研究所 | Rotary double-optical wedge laser micropore processing device |
| CN102998767B (en) * | 2012-11-20 | 2015-02-11 | 北京空间机电研究所 | Installation and adjustment method of infrared lenses |
| CN204575940U (en) * | 2015-04-22 | 2015-08-19 | 芜湖市奥尔特光电科技有限公司 | A kind of axis light wedge device |
| CN105387829B (en) * | 2015-11-18 | 2017-11-24 | 北京新立机械有限责任公司 | A kind of method of turntable or so semiaxis concentricity adjusting |
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