Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction

Details Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction Modified Hartmann-Shack wavefront sensing and iterative wavefront reconstruction

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2201..562d&link_type=abstract

Proc. SPIE Vol. 2201, p. 562-573, Adaptive Optics in Astronomy, Mark A. Ealey; Fritz Merkle; Eds.

Physics

Optics

3

Scientific paper

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.

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