Kodur optical path adjustment method of a typical laser communication system based on a fast mirror

By using a fast-reflecting mirror-based assembly and adjustment method, the position of the fast-reflecting mirror is adjusted by utilizing the optical path sequence and the position information of the light spot recorded by the camera. This solves the problems of directional uncertainty and low controllability in the assembly and adjustment of the Kuder optical path, and achieves a more efficient and accurate assembly and adjustment effect.

CN119937179BActive Publication Date: 2026-06-23BEIJING RES INST OF TELEMETRY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING RES INST OF TELEMETRY
Filing Date
2024-12-24
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing assembly and adjustment methods for Kude optical paths suffer from directional uncertainty and low controllability due to manual control, which affects the assembly and adjustment efficiency and effectiveness of Kude optical paths.

Method used

A fast-reflecting mirror-based assembly and adjustment method is adopted. By using the optical path sequence and the camera to record the position of the light spot, the Couder optical path pointing rotation error is estimated, and the position of the fast-reflecting mirror is adjusted to reduce the error. The controllability of the fast-reflecting mirror is used to improve the assembly and adjustment accuracy and efficiency.

Benefits of technology

It effectively improves the accuracy and efficiency of Kude optical path assembly and adjustment, avoids directional uncertainty caused by manual control, provides accurate assembly and adjustment reference and error calculation, and enhances the stability of Kude optical path.

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Abstract

The application discloses a typical laser communication system Kude optical path installation and adjustment method based on a fast reflecting mirror, and comprises the following steps: reflecting a parallel light pipe light beam to a parallel light pipe camera center position through a reference mirror; a fiber collimator emits laser, an optical antenna azimuth direction is rotated through a control coarse tracking turntable, and a transmission light spot position information is acquired through the parallel light pipe camera; the fast reflecting mirror position is adjusted, a Kude optical path pointing rotation error reduction trend is determined, and an accurate reference is provided for Kude optical path installation and adjustment. The method has the characteristics of controllability and rapidity of the fast reflecting mirror in the typical laser communication system, avoids the shortcomings of uncertain direction and low controllability caused by manual control during the existing Kude optical path installation and adjustment, effectively improves the Kude optical path installation and adjustment effect and efficiency, and can be widely applied to the typical laser communication system.
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