Variations on a Hartmann theme.

Details Variations on a Hartmann theme. Variations on a Hartmann theme.

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990opten..29.1239r&link_type=abstract

Opt. Eng., Vol. 29, No. 10, p. 1239 - 1242

Physics

Optics

11

Adaptive Optics

Scientific paper

The author explores modifications of the classical Hartmann wavefront sensing technique that can be used to improve its accuracy, dynamic range, and spatial resolution. He describes a differential sensor with variable sensitivity. The author reviews the use of various possible Hartmann masks and discusses their interferometric properties. He propose the use of Fourier analysis and shows its relationship to moire methods. The author finally envisages the possibility of mapping both the slope and the total curvature (Laplacian) of the wavefront with the same setup.

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