Self-referenced interferometric method for SLM phase calibration based on two blazed gratings (Conference Presentation)

Liangcai Cao; Yunhui Gao; Rujia Li; Renjie Zhou

doi:10.1117/12.2543941

11 March 2020 Self-referenced interferometric method for SLM phase calibration based on two blazed gratings (Conference Presentation)

Liangcai Cao, Yunhui Gao, Rujia Li, Renjie Zhou

Author Affiliations +

Proceedings Volume 11249, Quantitative Phase Imaging VI; 1124903 (2020) https://doi.org/10.1117/12.2543941
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

We propose a self-reference interferometric method for phase calibration of spatial light modulator (SLM) based on two blazed gratings. Compared with traditional methods, the proposed method yields more stable results by generating fringes with lower spatial frequency, thus making it possible for accurate, low cost measurement of the phase modulation of an SLM.

Conference Presentation

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Liangcai Cao, Yunhui Gao, Rujia Li, and Renjie Zhou "Self-referenced interferometric method for SLM phase calibration based on two blazed gratings (Conference Presentation)", Proc. SPIE 11249, Quantitative Phase Imaging VI, 1124903 (11 March 2020); https://doi.org/10.1117/12.2543941

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