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Correction for the inherent aberration of liquid crystal spatial light modulator
Author(s): Xiaomin Lai; Yan Guo; Shanhui Fan; Kaihua Wei
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Paper Abstract

Reflective liquid crystal spatial light modulator (SLM) is a widely used optical instrument because of its brilliant and high precision wavefront modulation ability. However, as mentioned by the producer and other researchers, the plane of SLM is not ideally flat but distorted during the manufacturing process. Here, we presented an automatic procedure for aberration correction based on interference. After the aberrations being measured with a wavefront sensor, the correction wavefront is automatically obtained by analyzing these aberrations. Then, the correction wavefront can be used to compensate the inherent distortion of SLM. This method is simple, user friendly and effective.

Paper Details

Date Published: 18 December 2018
PDF: 8 pages
Proc. SPIE 10818, Holography, Diffractive Optics, and Applications VIII, 1081827 (18 December 2018); doi: 10.1117/12.2502217
Show Author Affiliations
Xiaomin Lai, Hangzhou Dianzi Univ. (China)
Yan Guo, Hangzhou Dianzi Univ. (China)
Shanhui Fan, Hangzhou Dianzi Univ. (China)
Kaihua Wei, Hangzhou Dianzi Univ. (China)

Published in SPIE Proceedings Vol. 10818:
Holography, Diffractive Optics, and Applications VIII
Yunlong Sheng; Chongxiu Yu; Changhe Zhou, Editor(s)

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