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Adaptive optics with advanced phase-contrast techniques. I. High-resolution wave-front sensing

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Abstract

High-resolution phase-contrast wave-front sensors based on phase spatial light modulators and micromirror/liquid-crystal arrays are introduced. Wave-front sensor performance is analyzed for atmospheric-turbulence-induced phase distortions described by the Kolmogorov and the Andrews models. A high-resolution phase-contrast wave-front sensor (nonlinear Zernike filter) based on an optically controlled liquid-crystal phase spatial light modulator is experimentally demonstrated. The results demonstrate high-resolution visualization of dynamically changing phase distortions within the sensor time response of ∼10 ms.

© 2001 Optical Society of America

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Adaptive optics with advanced phase-contrast techniques. II. High-resolution wave-front control

Eric W. Justh, Mikhail A. Vorontsov, Gary W. Carhart, Leonid A. Beresnev, and P. S. Krishnaprasad
J. Opt. Soc. Am. A 18(6) 1300-1311 (2001)

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