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《Journal of Chongqing Normal University(Natural Science)》 2018-04
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A Method of Three-Degree-of-Freedom Measurement Based on Non-Diffracting Beam

BIE Yeguang;Lü Qinghua;SHANG Yiyuan;ZHAI Zhongsheng;HUANG Xiaochuan;CHENG Chunfu;Lü Hui;Hubei Collaborative Innovation Centre for High-efficient Utilization of Solar Energy,Hubei University of Technology;School of Science,Hubei University of Technology;School of Mechanical Engineering,Hubei University of Technology;  
[Purposes]A method for three-degree-of-freedom measurement based on non-diffracting beam is put forward.Non-diffracting beam is adopted as light source which is generated by an axicon.[Methods]The measuring part is formed by one reflecting mirror and two beam splitters which are fixed on a stage of three-degrees-of-freedom.The rotational errors(pitch,yaw and roll errors)result in the variation of beam center positions in two separate CCDs.[Findings]Theoretical analysis about the variation with different rotational errors is made,experimental results and simulated results are given.[Conclusions]Experimental results agree well with simulated results,which show that the proposed method is accurate for measuring three-degrees-of-freedom errors.
【Fund】: 国家自然科学基金(No.51405143;No.51575164;No.61475044);; 湖北省教育厅重点项目(No.D20161406);; 光纤光缆制备技术国家重点实验室基金(No.SKLD103);; 湖北省大学生创新创业项目(No.201510500023);; 湖北省太阳能高效利用开放基金(No.HBSKFZD2014007);; 湖北工业大学博士启动基金(No.BSQD13048)
【CateGory Index】: O436.1
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