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A Method for Mounting and Adjusting Double Pendulum Mirrors

An installation and adjustment method and double pendulum technology are applied in installation, instrumentation, optics and other directions to achieve the effect of broad application prospects

Active Publication Date: 2018-11-16
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few technical materials on the installation and adjustment of double-oscillating mirrors, but the following technical problems still need to be solved in actual work, that is, how to adjust the accuracy of the parallelism between the mirror surface and the motor rotation axis, and how to adjust the accuracy of the two pendulums in the full stroke of the double-oscillating mirror. Therefore, there is an urgent need for a double-oscillating mirror installation and adjustment method that is easy to operate, strong in practicability, and high in debugging accuracy.

Method used

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  • A Method for Mounting and Adjusting Double Pendulum Mirrors

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The double-oscillating mirror installation and adjustment method includes the following steps:

[0020] 1) Use a universal tool microscope to find out the geometric centers of the two oscillating mirrors in the scanning part, and mark them with red dots, and keep the two oscillating mirrors always at zero during subsequent debugging;

[0021] 2) Attach a flat crystal to the front reference surface of the scanning part, turn on the red calibration laser, make the red calibration laser return through the flat crystal along the original optical path, establish an optical reference (self-alignment), and then remove the flat crystal to maintain the red tone The casing of the calibration laser and scanning components will not be displaced during the subsequent debugging process;

[0022] 3) Attach a flat crystal to the rear reference surface of the scanning part, adjust the two swing mirrors, so that the red calibration laser passes through the red point of the geometric cent...

Embodiment 2

[0027] The double-oscillating mirror installation and adjustment method includes the following steps:

[0028] 1) Use a universal tool microscope to find out the geometric centers of the two oscillating mirrors in the scanning part, and mark them with red dots, and keep the two oscillating mirrors always at zero during subsequent debugging;

[0029] 2) Attach a flat crystal to the front reference surface of the scanning part, turn on the red calibration laser, make the red calibration laser return through the flat crystal along the original optical path, establish an optical reference (self-alignment), and then remove the flat crystal to maintain the red tone The casing of the calibration laser and scanning components will not be displaced during the subsequent debugging process;

[0030] 3) Attach a flat crystal to the rear reference surface of the scanning part, adjust the two swing mirrors, so that the red calibration laser passes through the red point of the geometric cent...

Embodiment 3

[0033] The double-oscillating mirror installation and adjustment method includes the following steps:

[0034] 1) Use a universal tool microscope to find out the geometric centers of the two oscillating mirrors in the scanning part, and mark them with red dots, and keep the two oscillating mirrors always at zero during subsequent debugging;

[0035] 2) Attach a flat crystal to the front reference surface of the scanning part, turn on the red calibration laser, make the red calibration laser return through the flat crystal along the original optical path, establish an optical reference (self-alignment), and then remove the flat crystal to maintain the red tone The casing of the calibration laser and scanning components will not be displaced during the subsequent debugging process;

[0036] 3) Attach a flat crystal to the rear reference surface of the scanning part, adjust the two swing mirrors, so that the red calibration laser passes through the red point of the geometric cent...

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Abstract

The invention discloses a double-swing mirror assembly and adjustment method, which belongs to the technical field of optical assembly and adjustment. The method includes: respectively marking the geometric centers of the two swing mirrors in the scanning part, and making them always stop at the zero position; The flat crystal returns along the original optical path, establishes the optical reference, removes the flat crystal, and keeps the housing of the calibration laser and the scanning part from shifting during the subsequent debugging process; Two oscillating mirrors, so that the calibration laser passes through the geometric centers of the two oscillating mirrors in turn, and returns along the original optical path through the flat crystal to establish a debugging reference; the double oscillating mirrors are powered on and oscillated, and powered off every 0.5°~1.5°, Fine-tune the two oscillating mirrors so that the calibration laser passes through the geometric centers of the two oscillating mirrors in turn, and returns along the original optical path through the flat crystal, and the adjustment results meet the above technical requirements within the full stroke of the double oscillating mirrors.

Description

technical field [0001] The invention relates to a method for installing and adjusting a double pendulum mirror, which belongs to the technical field of optical adjustment. Background technique [0002] In the optical-mechanical scanning imaging system, double-oscillating mirror scanning is a commonly used scanning method. Compared with fixed mirror components, double-oscillating mirror scanning is conducive to improving the signal-to-noise ratio and radiation sensitivity of the system and obtaining better image quality. . At present, there are few technical materials on the installation and adjustment of double-oscillating mirrors, but the following technical problems still need to be solved in actual work, that is, how to adjust the accuracy of the parallelism between the mirror surface and the motor rotation axis, and how to adjust the accuracy of the two pendulums in the full stroke of the double-oscillating mirror. Therefore, there is an urgent need for a double-oscilla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/182
CPCG02B7/1821
Inventor 周景欢王亮张磊吴晓鸣李继朋
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC