18 August 2005 Calibration of a spatial light modulator containing dual frequency liquid crystal
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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.
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Dong-Feng Gu, Dong-Feng Gu, Bruce Winker, Bruce Winker, Bing Wen, Bing Wen, Don Taber, Don Taber, Andrew Brackley, Andrew Brackley, Allan Wirth, Allan Wirth, Marc Albanese, Marc Albanese, Frank Landers, 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); doi: 10.1117/12.626030; https://doi.org/10.1117/12.626030
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