中国光学, 2015, 8 (6): 1020, 网络出版: 2016-01-19  

光场空间相干性的测量方法及比较

Measurement methods of optical spatial coherence and their comparison
董磊 *
作者单位
中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
摘要
本文归纳了基于分波前干涉原理的具有代表性的干涉测量方法--杨氏双孔干涉法、逆波前杨氏干涉法和非冗余孔径阵列干涉测量法, 以及基于分振幅干涉原理的干涉测量方法--自参考干涉测量法; 介绍了各种测量方法的工作原理、实验配置; 比较了4种测量方法的优缺点, 并给出每种方法的最佳应用领域。本文结论可为根据对空间相干性测量的不同要求, 选择合适的测量方法提供初步参考。
Abstract
This paper concluded measurement methods based on wavefront splitted principle such as Young interference method, reversed-wavefront Young interference method, nonredundant array interference method and measurement methods based on amplitude splitted principle such as self-referencing interference method. Their basic principles and experimental setup were introduced, and then the merits and defects of these methods were compared, and then the best applied field of each method was put forward. The conclusion of this paper could be used as elementary guidance for different demands of spatial coherence measurement to choose proper methods.

董磊. 光场空间相干性的测量方法及比较[J]. 中国光学, 2015, 8(6): 1020. DONG Lei. Measurement methods of optical spatial coherence and their comparison[J]. Chinese Optics, 2015, 8(6): 1020.

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