Adaptive correction of phase-distorted extended-source images

Gary W. Carhart; Dimitri V. Pruidze; Jennifer C. Ricklin; David G. Voelz; Mikhail A. Vorontsov

doi:10.1117/12.254178

14 October 1996 Adaptive correction of phase-distorted extended-source images

Gary W. Carhart, Dimitri V. Pruidze, Jennifer C. Ricklin, David G. Voelz, Mikhail A. Vorontsov

Proceedings Volume 2828, Image Propagation through the Atmosphere; (1996) https://doi.org/10.1117/12.254178
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

An experimental model of an adaptive imaging system for compensation of large-scale phase distortions under conditions of strongly anisoplanatic imaging is studied. We investigate adaptive compensation of phase-distorted extended source images using new types of image quality criteria. These image quality criteria are dependent on the Fourier spectrum of the image, and can be obtained using a coherent optical system. For adaptive control of a ten electrode continuously deformable bimorph mirror, simple gradient algorithms for image quality criteria were applied. We experimentally demonstrate the efficiency of large-scale phase distortion compensation for extended and complex targets.

Citation Download Citation

Gary W. Carhart, Dimitri V. Pruidze, Jennifer C. Ricklin, David G. Voelz, and Mikhail A. Vorontsov "Adaptive correction of phase-distorted extended-source images", Proc. SPIE 2828, Image Propagation through the Atmosphere, (14 October 1996); https://doi.org/10.1117/12.254178

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