Advanced phase-contrast techniques for wavefront sensing and adaptive optics

Mikhail A. Vorontsov; Eric W. Justh; Leonid A. Beresnev

doi:10.1117/12.407492

22 November 2000 Advanced phase-contrast techniques for wavefront sensing and adaptive optics

Mikhail A. Vorontsov, Eric W. Justh, Leonid A. Beresnev

Proceedings Volume 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II; (2000) https://doi.org/10.1117/12.407492
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

High-resolution phase-contrast wavefront sensors based on optically addressed phase spatial light modulators and micro- mirror/LC arrays are introduced. Wavefront sensor efficiency is analyzed for atmospheric turbulence-induced phase distortions described by the Kolmogorov and Andrews models. A nonlinear Zernike filter wavefront sensor based on an optically addressed 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 about 10 msec.

Citation Download Citation

Mikhail A. Vorontsov, Eric W. Justh, and Leonid A. Beresnev "Advanced phase-contrast techniques for wavefront sensing and adaptive optics", Proc. SPIE 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II, (22 November 2000); https://doi.org/10.1117/12.407492

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