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Proceedings Paper

High power liquid crystal spatial light modulators
Author(s): D. Gu; B. Wen; M. Mahajan; D. Taber; B. Winker; D. Guthals; B. Campbell; D. Sox
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Paper Abstract

A scalable wavefront control approach based upon proven liquid crystal (LC) spatial light modulator (SLM) technology was extended for potential use in high-energy near-infrared laser applications. With use of an ultra-low absorption transparent conductor in the LC SLM and materials with better physical properties, the laser power handling capability of the device was improved. The experimental results are reported regarding a LC SLM functioning as a wavefront control device under illumination of a kilo-watt laser source. Compared to conventional deformable mirrors, this non-mechanical wavefront control approach offers substantial improvements in speed (bandwidth), resolution, power consumption and system weight/volume, and the zero-coupling between pixels enables a fast feed-forward wavefront correction scheme.

Paper Details

Date Published: 29 August 2006
PDF: 11 pages
Proc. SPIE 6306, Advanced Wavefront Control: Methods, Devices, and Applications IV, 630602 (29 August 2006); doi: 10.1117/12.683829
Show Author Affiliations
D. Gu, Rockwell Scientific Co. LLC (United States)
B. Wen, Rockwell Scientific Co. LLC (United States)
M. Mahajan, Rockwell Scientific Co. LLC (United States)
D. Taber, Rockwell Scientific Co. LLC (United States)
B. Winker, Rockwell Scientific Co. LLC (United States)
D. Guthals, The Boeing Co. (United States)
B. Campbell, The Boeing Co. (United States)
D. Sox, The Boeing Co. (United States)


Published in SPIE Proceedings Vol. 6306:
Advanced Wavefront Control: Methods, Devices, and Applications IV
Michael K. Giles; John D. Gonglewski; Richard A. Carreras, Editor(s)

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