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Proceedings Paper

Control loop analysis for a nematic liquid crystal spatial light modulator used in an adaptive optics system
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Paper Abstract

We discuss the use of Liquid Crystal Phase Modulators (LCPM) as a repeatable test source for use with adaptive optics systems. LCPMs have the potential to induce controlled, repeatable, dynamic aberrations into optical system at low cost, low complexity, and high flexibility. Since they are programmable, and can be operate as transmissive elements, they can easily be inserted into the optical path of an adaptive optics system and used to generate a disturbance test source. Laboratory experiments with a Meadowlark liquid crystal phase modulator are presented.

Paper Details

Date Published: 7 December 1998
PDF: 7 pages
Proc. SPIE 3494, Atmospheric Propagation, Adaptive Systems, and Lidar Techniques for Remote Sensing II, (7 December 1998); doi: 10.1117/12.332414
Show Author Affiliations
David Charles Dayton, Applied Technology Associates (United States)
Stephen L. Browne, Optical Sciences Co. (United States)
John D. Gonglewski, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 3494:
Atmospheric Propagation, Adaptive Systems, and Lidar Techniques for Remote Sensing II
Adam D. Devir; Anton Kohle; Ulrich Schreiber; Christian Werner, Editor(s)

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