| 径向剪切干涉测量激光光束波前的研究 |
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| 引用本文： | 王岩,张磊,吕志伟.径向剪切干涉测量激光光束波前的研究[J].激光与光电子学进展,2005,42(11):39-44. |
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| 作者姓名： | 王岩 张磊 吕志伟 |
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| 作者单位： | 1. 哈尔滨工业大学光电子国家重点实验室,哈尔滨,150001
2. 清华大学电子工程系,北京,100084 |
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| 摘 要： | 详细论述了环路径向剪切干涉（cyclic raial shearing interferometry,CRSI）测量激光光束波前的原理,介绍了傅立叶变换空间载波条纹相位提取方法,以及畸变波前的重建算法,给出了数值仿真结果,并且进行了实验研究,验证了该方法的有效性.
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| 关 键 词： | 径向剪切干涉 空间载波条纹 傅立叶变换法 波前重建 环路径向剪切干涉 激光光束 干涉测量 波前 傅立叶变换 提取方法 条纹相位 重建算法 仿真结果 |
| 收稿时间： | 2005-04-28 |
| 修稿时间： | 2005-04-282005-05-16 |
Research on Measuring Laser Beam Wavefront Based on Radial Shearing Interferometry |
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| WANG Yan,ZHANG Lei,L Zhiwei.Research on Measuring Laser Beam Wavefront Based on Radial Shearing Interferometry[J].Laser & Optoelectronics Progress,2005,42(11):39-44. |
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| Authors: | WANG Yan ZHANG Lei L Zhiwei |
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| Affiliation: | WANG Yan ZHANG Lei LU Zhiwei Institute of Opto-electronics,Harbin Institute of Technology,Harbin 150001 2 Department of Electronic Engineering,Tsinghua University,Beijing 100084 |
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| Abstract: | The principle on measuring laser beam wavefront based on cyclic radial shearing interference is elaborated. Fourier transform method for extracting phase information by analyzing the spatial carrier fringe pattern is introduced, as well as an iterative algorithm for the misshapen wavefront reconstrnction. Numerical simulation is performed, and the experiment proves the validity of the method. |
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| Keywords: | radial shearing interferometry spatial carrier fringe pattern Fourier transform method wavefront reconstruction |
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