Modeling and analysis of laser active interference optical path

Cong-miao Shan; Hua-yan Sun; Yan-zhong Zhao; Jian-biao Chen; Jian-ying Ren

doi:10.1117/12.2284771

25 October 2017 Modeling and analysis of laser active interference optical path

Cong-miao Shan, Hua-yan Sun, Yan-zhong Zhao, Jian-biao Chen, Jian-ying Ren

Proceedings Volume 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications; 104640V (2017) https://doi.org/10.1117/12.2284771
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

By using the geometrical optics and physical optics method, the models of wedge plate interference optical path, Michelson interferometer and Mach Zehnder interferometer thus three different active interference pattern are built. The optical path difference (OPD) launched by different interference patterns, fringe spacing and contrast expression have been derived. The results show that far field interference peak intensity of the wedge plate interference is small, so the detection distance is limited, Michelson interferometer with low contrast affects the performance of detection system, Mach Zehnder interferometer has greater advantages in peak intensity, the variable range of interference fringe spacing and contrast ratio. The results of this study are useful for the theoretical research and practical application of laser active interference detection.

Citation Download Citation

Cong-miao Shan, Hua-yan Sun, Yan-zhong Zhao, Jian-biao Chen, and Jian-ying Ren "Modeling and analysis of laser active interference optical path", Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 104640V (25 October 2017); https://doi.org/10.1117/12.2284771

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