Ghost reflection of testing long focal length lens with computer-generated hologram

Jian-Peng Cui; Ning Zhang; Jie Liu; Hua Xu; Ding-Yao Yan; Ping Ma

doi:10.1117/12.2510960

30 January 2019 Ghost reflection of testing long focal length lens with computer-generated hologram

Jian-Peng Cui, Ning Zhang, Jie Liu, Hua Xu, Ding-Yao Yan, Ping Ma

Proceedings Volume 10841, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics; 108410Y (2019) https://doi.org/10.1117/12.2510960
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

The ghost reflections can cause spurious fringes in the interferograms and lead to error in the measurement. So it is necessary to evaluate the influence of the ghost reflection spot for a correct interpretation of interferograms. In this paper, the ghost reflections of testing long focal length lens with computer-generated hologram (CGH) are investigated and geometrical model is established to obtain an expression for the size of the ghost reflection spot. Moreover, simulations and experiments are carried out by studying the ghost reflections of the long focal length lens in Shenguang III system.

Citation Download Citation

Jian-Peng Cui, Ning Zhang, Jie Liu, Hua Xu, Ding-Yao Yan, and Ping Ma "Ghost reflection of testing long focal length lens with computer-generated hologram", Proc. SPIE 10841, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Meta-Surface-Wave and Planar Optics, 108410Y (30 January 2019); https://doi.org/10.1117/12.2510960

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