Correction of laser pointing error of level mounting laser transmitter system

XUE Xiang-yao; GAO Yun-guo; HAN Guang-yu; ZHANG Wen-bao; YU Ping

doi:10.3788/OPE.20111903.0536

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Correction of laser pointing error of level mounting laser transmitter system

Article | 更新时间：2020-08-12

- Correction of laser pointing error of level mounting laser transmitter system
- Optics and Precision Engineering Vol. 19, Issue 3, Pages: 536-544(2011)
- 作者机构：
  
  1. 中国科学院研究生院,北京 100039
  2. 中国科学院长春光学精密机械与物理研究所,吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111903.0536
  CLC： TH744.5
- Received：06 April 2010，
  
  Revised：27 May 2010，
  
  Published Online：22 March 2011，
  
  Published：22 March 2011
- 稿件说明：
移动端阅览
薛向尧, 高云国, 韩光宇, 张文豹, 于萍. 水平式激光发射系统指向误差的修正[J]. 光学精密工程, 2011,19(3): 536-544

XUE Xiang-yao, GAO Yun-guo, HAN Guang-yu, ZHANG Wen-bao, YU Ping. Correction of laser pointing error of level mounting laser transmitter system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 536-544
薛向尧, 高云国, 韩光宇, 张文豹, 于萍. 水平式激光发射系统指向误差的修正[J]. 光学精密工程, 2011,19(3): 536-544 DOI： 10.3788/OPE.20111903.0536.

XUE Xiang-yao, GAO Yun-guo, HAN Guang-yu, ZHANG Wen-bao, YU Ping. Correction of laser pointing error of level mounting laser transmitter system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 536-544 DOI： 10.3788/OPE.20111903.0536.

摘要

为修正由轴系误差引起的水平式激光发射系统的指向误差

借鉴经纬仪视轴指向误差的修正方法单项差法和坐标变换法

建立了激光发射系统指向误差的修正模型

得到了轴系误差在激光发射光路中的传递规律。介绍了系统光机结构及建模理论

导出了反射镜的作用矩阵。通过建立水平式跟踪架笛卡尔坐标系

将激光光束看作空间内一单位矢量

并借助矢量旋转与坐标变换

得到了各单项误差解析式;通过线性叠加得出激光发射系统指向误差的修正模型。结合电视跟踪系统所测量的激光束指向误差

采用最小二乘法拟合得出修正模型中各待定系数。实验结果表明:指向误差经修正后

系统在某两轨道上和天顶区域的指向精度可达到3.1和9.7

满足系统设计的精度要求。

Abstract

In order to correct the laser pointing errors caused by the axial errors for a level mounting laser transmitter system

a new laser pointing error correction model was built by using the correction method used in the pointing error correction of a photoelectric theodolite

and the error transfer behavior between shafts and optical path was investigated intensively. Firstly

the opto-mechanical structure and modeling theory were introduced

and the transformation matrixes of mirrors were presented. Then

by constructing two 3D coordinates in which the laser beam was considered as a unit vector

the laser pointing model was established by linear coordinate transformation and linear vector transformation. Furthermore

the undetermined coefficients in the laser pointing model were obtained by least square fitting.Finally

the TV tracking system whose optical axis was actually considered as an ideal one in the laser transmitter system was used to measure the laser pointing error. Experimental results indicate that the laser pointing precision of the level mounting laser transmitter system is up to 3.1 and 9.7 in 2 specific orbits and a zenith region

respectively

which satisfies the requirement of the system design for the accuracy.

关键词

Keywords

references

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Related Institution

Changchun Institute of Optic, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033,China

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