CN108008541B - Method for installing and adjusting double optical wedges - Google Patents
Method for installing and adjusting double optical wedges Download PDFInfo
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- CN108008541B CN108008541B CN201711007626.5A CN201711007626A CN108008541B CN 108008541 B CN108008541 B CN 108008541B CN 201711007626 A CN201711007626 A CN 201711007626A CN 108008541 B CN108008541 B CN 108008541B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention relates to a method for installing and adjusting double optical wedges, namely, a rotary measuring platform is constructed by using two autocollimators and a precise angle measuring rotary table, an optical wedge seat with a calculated angle is connected with a tool to ensure that an optical axis of the optical wedge is vertical to a rotary shaft of the rotary table, and then the double-sided autocollimation image of the optical wedge is used for accurate installing and adjusting. The invention has the advantages that the function of accurately assembling and adjusting the optical wedge by using the double-sided self-alignment image of the optical wedge is utilized, the working efficiency is improved, the assembly cost is reduced on the premise of not influencing the product precision, and the light-weight airborne optical system has wide application prospect in the field of light-weight airborne optical system assembly. The invention has mature technology and simple and convenient operation, can be widely applied to the adjustment of the double-optical-wedge component and has wide application prospect.
Description
Technical Field
The invention belongs to the optical assembly and adjustment technology, and relates to a method for assembling and adjusting double optical wedges.
Background
The optical wedge component realizes the scanning function of the large visual field of the optical system by utilizing the functional relation between the relative rotation angle of the optical wedge and the generated deflection angle in the optical path, has high scanning efficiency and compact structure, and has wide application prospect in the field of light-weight airborne optical system assembly. The method that two autocollimators, a precise angle measurement rotary table, a tool reflector and an optical wedge seat are connected with a tool to construct a rotary measurement platform and the double-sided autocollimation image of the optical wedge is utilized to carry out precise assembly and adjustment improves the working efficiency and reduces the assembly cost on the premise of not influencing the product precision. The method has wide application prospect in the field of light-weight airborne optical system assembly.
Disclosure of Invention
Technical problem to be solved
In order to avoid the defects of the prior art, the invention provides a method for assembling and adjusting the double optical wedges, which can be widely applied to the assembling and adjusting of various double optical wedge components and has wide application prospect in the future.
Technical scheme
A method of tuning a dual optical wedge, comprising: two autocollimators are arranged on two sides of a precise angle measurement rotary table, and precise adjustment is carried out by utilizing a double-sided autocollimation image of an optical wedge, and the method comprises the following steps:
step 1: two autocollimators are positioned at two sides of the optical wedge rotary table, and the included angle of optical axes of the two autocollimators is adjusted to be a first optical wedge theoretical angle;
step 2: the optical axis of the first optical wedge is perpendicular to the rotating shaft of the rotary table, and the first autocollimator is adjusted to find a first surface autocollimation image of the first optical wedge; adjusting a second autocollimator to find an autocollimation image of a second surface of the first optical wedge, and fixing the first optical wedge, wherein the deviations between the two autocollimation images and the cross center of each reticle are less than or equal to 5';
and step 3: keeping the original state of a second autocollimator, placing a second optical wedge in a lens seat containing the first optical wedge, rotating the turntable to enable the second optical wedge to rotate, wherein the rotation angle is the wedge angle of the first optical wedge, the deflection angle of the first optical wedge and the wedge angle of the second optical wedge, and enabling the second autocollimator to find a second surface autocollimation image of the second optical wedge;
and 4, step 4: and adjusting the deviation between the second surface of the second optical wedge and the cross center of the second autocollimator reticle to be less than or equal to 5', and fixing the second optical wedge.
Advantageous effects
The invention provides a method for installing and adjusting double optical wedges, which is characterized in that a rotary measuring platform is constructed by using two autocollimators and a precise angle measuring rotary table, an optical wedge seat with a calculated angle is connected with a tool to ensure that an optical axis of the optical wedge is vertical to a rotary shaft of the rotary table, and then the double-sided autocollimation image of the optical wedge is used for accurate installing and adjusting.
The invention has the advantages that the function of constructing a rotary measuring platform by connecting two autocollimators, a precise angle measuring rotary table and an optical wedge seat and accurately assembling and adjusting by using the double-sided self-alignment image of the optical wedge is realized, the working efficiency is improved, the assembly cost is reduced on the premise of not influencing the product precision, and the invention has wide application prospect in the field of light-weight airborne optical system assembly. The invention has mature technology and simple and convenient operation, can be widely applied to the adjustment of the double-optical-wedge component and has wide application prospect.
Drawings
FIG. 1: is a system diagram of a dual wedge installation used in the present invention
1. Autocollimator 1, 2 autocollimator 2, 3 product containing double optical wedge component, 4 optical wedge seat connecting tool, 5 precision angle measuring rotary table, 6 platform, 7 platform
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
a rotary measuring platform is constructed by utilizing two autocollimators, a precise angle measuring rotary table and a tool reflector, and the included angle of optical axes of the two autocollimators is ensured to be the theoretical angle of an optical wedge 1 through the tool reflector.
And designing a tool connected with the optical wedge seat, and ensuring that the optical wedge optical axis is vertical to the rotary table rotary shaft after installation through angle calculation.
The first autocollimator 1 finds the autocollimation image of the first surface of the first optical wedge 1 at one side, the turntable rotates the optical wedge theoretical angle, the fixed optical wedge lens base adjusts the first optical wedge 1 to allow the second autocollimator 2 to find the autocollimation image of the second surface of the first optical wedge 1, and the first optical wedge 1 is fixed by pouring glue after the deviation between the two autocollimation images and the cross center of each reticle is less than or equal to 5'.
After the first optical wedge 1 is adjusted, the second optical wedge 2 is adjusted in this way, except that the total angle of rotation of the second autocollimator 2 is "wedge angle of the first optical wedge 1 + deflection angle of the first optical wedge 1 + wedge angle of the second optical wedge 2".
And fixing a second optical wedge 2, adjusting the second optical wedge 2 by a lens base of the second optical wedge 2, enabling the second autocollimator 2 to find an autocollimation image of a second surface of the second optical wedge 2, and pouring glue to fix the second optical wedge 2 after the deviation between the second surface of the second optical wedge 2 and the cross center of the reticle of the second autocollimator 2 is less than or equal to 5'.
Claims (1)
1. A method of tuning a dual optical wedge, comprising: two autocollimators are arranged on two sides of a precise angle measurement rotary table, and precise adjustment is carried out by utilizing a double-sided autocollimation image of an optical wedge, and the method comprises the following steps:
step 1: two autocollimators are positioned at two sides of the optical wedge rotary table, and the included angle of optical axes of the two autocollimators is adjusted to be a first optical wedge theoretical angle;
step 2: the optical axis of the first optical wedge is perpendicular to the rotating shaft of the rotary table, and the first autocollimator is adjusted to find a first surface autocollimation image of the first optical wedge; adjusting a second autocollimator to find a second face autocollimation image of the first optical wedge, and fixing the first optical wedge, wherein the deviations of the first face autocollimation image and the second face autocollimation image with the cross center of each reticle are less than or equal to 5';
and step 3: keeping the original state of a second autocollimator, placing a second optical wedge in a lens seat containing the first optical wedge, rotating the turntable to enable the second optical wedge to rotate, wherein the rotating angle is the theoretical angle of the first optical wedge, the deflection angle of the first optical wedge and the wedge angle of the second optical wedge, and enabling the second autocollimator to find a second surface autocollimation image of the second optical wedge;
and 4, step 4: and adjusting the deviation between the second surface of the second optical wedge and the cross center of the second autocollimator reticle to be less than or equal to 5', and fixing the second optical wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007626.5A CN108008541B (en) | 2017-10-25 | 2017-10-25 | Method for installing and adjusting double optical wedges |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007626.5A CN108008541B (en) | 2017-10-25 | 2017-10-25 | Method for installing and adjusting double optical wedges |
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| Publication Number | Publication Date |
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| CN108008541A CN108008541A (en) | 2018-05-08 |
| CN108008541B true CN108008541B (en) | 2020-07-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766713B (en) * | 2020-06-30 | 2021-07-20 | 同济大学 | Device and method for assembling and assembling aspherical super-resolution KB microscope |
| 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 |
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