Optimizing the locations of multiconjugate wavefront correctors

Edward P. Wallner

doi:10.1117/12.176121

31 May 1994 Optimizing the locations of multiconjugate wavefront correctors

Edward P. Wallner

Proceedings Volume 2201, Adaptive Optics in Astronomy; (1994) https://doi.org/10.1117/12.176121
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

Wavefront correctors acting in a single plane can only correct for phase distortion on a beam from a single direction. If the distortion arises in a distributed medium beams from other directions will be at best partially corrected. The region over which good correction occurs can be extended by using multiple correctors imaged at different locations in the medium. A procedure is derived here for locating the correctors to maximize the residual anisoplanatic error and this minimum error is evaluated for several atmospheric models. This procedure also applies to the simulation of distributed distortion by discrete phase screens.

Citation Download Citation

Edward P. Wallner "Optimizing the locations of multiconjugate wavefront correctors", Proc. SPIE 2201, Adaptive Optics in Astronomy, (31 May 1994); https://doi.org/10.1117/12.176121

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