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High precision same-direction double optical axis and multiple optical axis parallelism adjustment and calibration method

An optical axis-parallel, high-precision technology, applied in the direction of testing optical performance, etc., can solve problems such as the limitation of use range, and achieve the effect of high adjustment accuracy

Active Publication Date: 2018-03-20
西安科佳光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is only suitable for the parallelism adjustment between the two optical axes, and the distance between the two optical axes that needs to be adjusted is limited by the caliber of the adjustment device, and the scope of use is limited

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  • High precision same-direction double optical axis and multiple optical axis parallelism adjustment and calibration method
  • High precision same-direction double optical axis and multiple optical axis parallelism adjustment and calibration method

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Embodiment Construction

[0027] Such as figure 1 As shown, the high-precision co-directional dual optical axis parallelism adjustment method includes the following steps:

[0028] Step 1: Use theodolite to adjust the first optical axis (reference axis) to make it level;

[0029] Step 2: Use the No. 1 self-collimating light pipe to aim at the first optical axis, and adjust the self-collimating light pipe to be coaxial with the first optical axis;

[0030] Step 3: Place a flat mirror between the No. 1 self-collimating light pipe and the first optical axis, with the reflective surface facing the self-collimating light pipe, adjust the mirror so that the reflected image coincides with the center of the self-collimating light pipe. This step is used to adjust the reflection surface of the plane mirror to be perpendicular to the optical axis of the self-collimating light pipe;

[0031] Step 4: Place the No. 2 self-collimating light pipe on the far right side of the effective reflection range of the plane mirror, an...

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Abstract

The invention provides a high precision same-direction double optical axis and multiple optical axis parallelism adjustment and calibration method, being able to further simplify the adjustment and calibration process and improve the adjustment and calibration efficiency on the premise of guaranteeing the adjustment and calibration precision. The high precision same-direction double optical axis parallelism adjustment and calibration method includes the steps: adjusting and calibrating the first optical axis to enable the first optical axis to be horizontal as a reference axis; using a first auto-collimator to aim at the first optical axis, and adjusting the auto-collimator to enable the auto-collimator to be coaxial with the first optical axis; putting into a planar mirror, and calibrating the plane of reflection of the planar mirror to be perpendicular to the optical axis of the first auto-collimator; putting a second auto-collimator and the first auto-collimator side by side, enabling the second auto-collimator to be in the area, corresponding to the front of the second optical axis, in the effective range of the planar mirror, and enabling the center of the second auto-collimator to coincide with the catoptric image of the planar mirror; and moving out from the planar mirror, and adjusting the second optical axis to enable the second optical axis to be coaxial with the center of the second auto-collimator while the first optical axis is parallel to the second optical axis.

Description

Technical field [0001] The invention belongs to the technical field of optical assembly and adjustment, and relates to a high-precision double optical axis and multi-optical axis parallelism adjustment method. Background technique [0002] Optical axis parallelism is an important indicator of multi-optical axis, multi-sensor photoelectric measuring equipment. At present, photoelectric measurement equipment is equipped with multiple optical systems of different wavebands at the same time, which can simultaneously measure the target under test all-weather. In order to ensure the measurement accuracy of the multi-optical axis optical system, the parallelism between the optical axes in the multi-optical axis optical system must be maintained within a certain accuracy, so the parallelism of the multi-optical axis needs to be adjusted regularly. At present, most of the methods used for multi-optical axis parallelism adjustment have complicated systems, low test accuracy, or have certa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M11/02
CPCG01M11/02
Inventor 安飞张建王涛马丽娜杨芝艳张亚平
Owner 西安科佳光电科技有限公司