Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction

Guang-Ming Dai

doi:10.1117/12.176040

31 May 1994 Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction

Guang-Ming Dai

Proceedings Volume 2201, Adaptive Optics in Astronomy; (1994) https://doi.org/10.1117/12.176040
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

Conventional modal compensation using Zernike polynomial expansion by means of Hartmann-Shack wavefront sensors is discussed. Cross-talk problems of Zernike coefficients have been found to be serious, especially for large sub-aperture configurations. A proposal for use of a modified Hartmann-Shack wavefront sensor and iterative wavefront reconstruction is presented and a comparison is made between conventional and proposed methods.

Citation Download Citation

Guang-Ming Dai "Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction", Proc. SPIE 2201, Adaptive Optics in Astronomy, (31 May 1994); https://doi.org/10.1117/12.176040

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