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首页> 外文会议>Conference on Optical Design and Testing; 20071112-15; Beijing(CN) >The Effect of Beam Incident Angles on Cube Corner Retro-reflector Measuring Accuracy
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The Effect of Beam Incident Angles on Cube Corner Retro-reflector Measuring Accuracy

机译：光束入射角对立方角后向反射镜测量精度的影响

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摘要

The working principle and optical characteristic of cube corner retro-reflector (CCR) using in laser tracking system (LTS) are analyzed. A novel approach has been proposed to determine the effective reflection area of CCR with an arbitrary beam incidence angle. The optical model of CCR under the limitation of maximum incident angle and available reflection area is developed based on rays tracing algorithm. Finally, the relationship between CCR measuring accuracy and beam incident angle is established. Theoretical analysis and experimental results have demonstrated that the CCR measuring accuracy reduces as the incident angle increases, the CCR measuring error is largest when the maximal incident angle is reached. The maximal incident angle at which LTS can still work well is ±35°. The measuring accuracy of a CCR can maintain the manufacturer specifications of LTS only when the incident angle is within ±20°.
机译：分析了用于激光跟踪系统（LTS）的立方角后向反射器（CCR）的工作原理和光学特性。已经提出了一种新颖的方法来确定具有任意光束入射角的CCR的有效反射面积。基于光线跟踪算法，建立了在最大入射角和可用反射面积限制下的CCR光学模型。最后，建立了CCR测量精度与光束入射角之间的关系。理论分析和实验结果表明，随着入射角的增加，CCR的测量精度降低，达到最大入射角后，CCR的测量误差最大。 LTS仍然可以正常工作的最大入射角为±35°。仅当入射角在±20°以内时，CCR的测量精度才能保持LTS的制造商规格。

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