Calibration of a spatial light modulator containing dual frequency liquid crystal

Dong-Feng Gu; Bruce Winker; Bing Wen; Don Taber; Andrew Brackley; Allan Wirth; Marc Albanese; Frank Landers

doi:10.1117/12.626030

18 August 2005 Calibration of a spatial light modulator containing dual frequency liquid crystal

Dong-Feng Gu, Bruce Winker, Bing Wen, Don Taber, Andrew Brackley, Allan Wirth, Marc Albanese, Frank Landers

Proceedings Volume 5894, Advanced Wavefront Control: Methods, Devices, and Applications III; 58940J (2005) https://doi.org/10.1117/12.626030
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Characterization and calibration process for a liquid crystal (LC) spatial light modulator (SLM) containing dual frequency liquid crystal is described. Special care was taken when dealing with LC cell gap non-uniformity and defect pixels. The calibration results were fed into a closed loop control algorithm to demonstrate correction of wavefront distortions. The performance characteristics of the device were reported. Substantial improvements were made in speed (bandwidth), resolution, power consumption and system weight/volume.

Citation Download Citation

Dong-Feng Gu, Bruce Winker, Bing Wen, Don Taber, Andrew Brackley, Allan Wirth, Marc Albanese, and Frank Landers "Calibration of a spatial light modulator containing dual frequency liquid crystal", Proc. SPIE 5894, Advanced Wavefront Control: Methods, Devices, and Applications III, 58940J (18 August 2005); https://doi.org/10.1117/12.626030

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