Improved compensation of atmospheric turbulence effects by multiple adaptive mirror systems

Details Improved compensation of atmospheric turbulence effects by multiple adaptive mirror systems Improved compensation of atmospheric turbulence effects by multiple adaptive mirror systems

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apopt..32.4618s&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 32, no. 24, p. 4618-4628.

Physics

Optics

7

Atmospheric Correction, Atmospheric Turbulence, Light Transmission, Mirrors, Wave Fronts, Atmospheric Models, Atmospheric Optics, Diffraction, Scalars

Scientific paper

Optical wave-front propagation in a layered model for the atmosphere is analyzed by the use of diffraction theory, leading to a novel approach for utilizing artificial guide stars. Considering recent observations of layering in the atmospheric turbulence, the results of this paper indicate that, even for very large telescopes, a substantial enlargement of the compensated angular field of view is possible when two adaptive mirrors and four or five artificial guide stars are employed. The required number of guide stars increases as the thickness of the turbulent layers increases, converging to the conventional results at the limit of continuously turbulent atmosphere.

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