Operation Modes of a Liquid-Crystal Modal Wave-Front Corrector
Applied Optics, Vol. 43, Issue 11, pp. 2209-2225 (2004)
http://dx.doi.org/10.1364/AO.43.002209
Acrobat PDF (926 KB)
Abstract
Liquid-crystal modal wave-front correctors provide much better wave-front correction than do piston correctors with the same number of actuators; moreover, use of additional degrees of freedom of the driving ac voltage signals may further improve device performance. Some practical aspects of the operation of liquid-crystal modal wave-front correctors are discussed. Special attention is paid to the interference of various contact responses and to the formation of required phase shapes through wider control of signal frequencies and electric phase shifts. The study is based on an analytic approach and numerical investigation; major theoretical conclusions are verified experimentally.
© 2004 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(160.3710) Materials : Liquid crystals
(220.1000) Optical design and fabrication : Aberration compensation
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators
Citation
Mikhail Loktev, Gleb Vdovin, and Igor Guralnik, "Operation Modes of a Liquid-Crystal Modal Wave-Front Corrector," Appl. Opt. 43, 2209-2225 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-11-2209
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