| 入射角度变化对角锥棱镜测量精度的影响 |
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| 引用本文： | 刘万里,欧阳健飞,曲兴华.入射角度变化对角锥棱镜测量精度的影响[J].光学精密工程,2009,17(2):286-291. |
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| 作者姓名： | 刘万里 欧阳健飞 曲兴华 |
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| 作者单位： | 刘万里,LIU Wan-li(天津大学,精密测试技术及仪器国家重点实验室,天津,300072;中国矿业大学,机电工程学院,江苏,徐州,221116);欧阳健飞,曲兴华,OUYANG Jian-fei,QU Xing-hua(天津大学,精密测试技术及仪器国家重点实验室,天津,300072)
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| 摘 要： | 为了掌握角锥棱镜用在激光跟踪仪中光束入射角度变化对其测量精度的影响规律。详细分析了角锥棱镜的工作原理和反射特性。计算出了角锥棱镜在不同入射角下的实际有效反射面积，并建立了角锥棱镜有效反射面积随光束入射角度变化的理论公式，进而得到角锥棱镜测量精度随光束入射角度变化的规律。实验结果表明：角锥棱镜测量精度随入射角增大而减小，在最大允许入射角处发生突变。在最大允许入射角±35.26°时其测量误差达到0.050mm；而在±20°范围内时其测量精度优于0.010mm，且入射角度在±15°范围内其测量精度最高，稳定性最好。所得结论证明了当角锥棱镜在入射角度为±20°范围内工作时能满足了激光跟踪仪的测量精度要求，这对角锥棱镜设计和实际测量工作具有指导意义。
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| 关 键 词： | 角锥棱镜 测量精度 入射角度 有效反射面积 激光跟踪仪 |
| 收稿时间： | 2008-02-19 |
| 修稿时间： | 2008-03-25 |
Effect of incident angle varying on cube corner retro-reflector measurement accuracy |
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| LIU Wan-li,OUYANG Jian-fei,QU Xing-hua.Effect of incident angle varying on cube corner retro-reflector measurement accuracy[J].Optics and Precision Engineering,2009,17(2):286-291. |
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| Authors: | LIU Wan-li OUYANG Jian-fei QU Xing-hua |
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| Affiliation: | 1.State Key Laboratory of Precision Measuring Technology and Instruments;Tianjin University;Tianjin 300072;China;2.School of Mechanical and Electrical Engineering;China University of Mining and Technology;Xuzhou 221116;China |
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| Abstract: | In order to describe the relationship between the incident angle of Cube Corner Retro-reflector(CCR) and the measurement accuracy of CCR used in laser tracker system,the working principle and reflective characteristic of CCR were analyzed.A novel approach was proposed to determine the effective reflection area of CCR with an arbitrary incident angle and then the formula of ray cross section of CCR with varying incident angle was derived according to the effective reflection area.Accordingly,the relationship... |
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| Keywords: | cube corner retro-reflector measurement accuracy incident angle effective reflection area laser tracker |
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