Image sharpness, Fourier optics, and redundant-spacing interferometry

Details Image sharpness, Fourier optics, and redundant-spacing interferometry Image sharpness, Fourier optics, and redundant-spacing interferometry

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977josa...67.1122h&link_type=abstract

Optical Society of America, Journal, vol. 67, Aug. 1977, p. 1122, 1123.

Physics

Optics

7

Atmospheric Optics, Fourier Transformation, Image Contrast, Interferometry, Sharpness, Diffraction Patterns, Phase Error, Radio Astronomy, Turbulence Effects

Scientific paper

A simple proof of the image sharpness criterion S(1) introduced by Muller and Buffington (1974) is presented. Similarities between this type of imaging, which involves the real-time dynamic cancellation of phase errors introduced by atmospheric turbulence, and the interferometric techniques for diffraction-limited imaging used by radioastronomers are considered. It is suggested that several other sharpness criteria are of limited validity.

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