Adaptive aberration correction based on an opto-electronic Zernike wavefront sensor and the decoupled stochastic parallel gradient descent control technique

Details Adaptive aberration correction based on an opto-electronic Zernike wavefront sensor and the decoupled stochastic parallel gradient descent control technique Adaptive aberration correction based on an opto-electronic Zernike wavefront sensor and the decoupled stochastic parallel gradient descent control technique

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4493..166c&link_type=abstract

Proc. SPIE Vol. 4493, p. 166-173, High-Resolution Wavefront Control: Methods, Devices, and Applications III, John D. Gonglewski;

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We present performance results from an experimental adaptive system based on a recently proposed adaptive optics control technique -- the decoupled stochastic parallel gradient descent (D-SPGD) optimization technique. The system consists of an opto-electronic Zernike wave front sensor implemented with a 128x128 element LC phase modulator from Boulder Nonlinear Systems and a 127 element LC phase modulator from Meadowlark Optics used as a wave front corrector. Results demonstrate that adaptive wave front correction using the D-SPGD optimization technique can provide efficient compensation of phase distortions.

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