A simple method of estimating the RMS phase variation due to atmospheric turbulence

Details A simple method of estimating the RMS phase variation due to atmospheric turbulence A simple method of estimating the RMS phase variation due to atmospheric turbulence

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977optco..21...51s&link_type=abstract

Optics Communications, vol. 21, Apr. 1977, p. 51-54. Research supported by the Science Research Council.

Physics

Optics

Atmospheric Turbulence, Maximum Likelihood Estimates, Phase Error, Root-Mean-Square Errors, Turbulence Effects, Astronomical Photography, Interferometry, Optical Correction Procedure, Speckle Patterns, Star Trackers, Telescopes

Scientific paper

A method is described for estimating the rms phase variation due to atmospheric turbulence using a stellar light source and an astronomical telescope. It consists of measuring the angular chromatic dispersion of the speckles in the stellar image. A knowledge of the rms phase variation is required in adaptive optics and in choosing the optimum spectral bandwidth in stellar speckle interferometry. Some preliminary results are given.

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