Physics – Optics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..133..427v&link_type=abstract
Astronomy and Astrophysics Supplement, v.133, p.427-430
Physics
Optics
6
Atmospheric Effects, Telescope, Instrumentation: Adaptive Optics
Scientific paper
The efficiency of off-axis adaptive astronomical systems is estimated using both the theoretical Hufnagel model and recently obtained experimental Cn(2) profiles. The efficiency of interest is considered through the Strehl ratio of the corrected image. The experimental Cn(2) profile used in calculations is a result of measurements carried out at the Observatorio Astronomica Nacional at San Pedro Mártir (Mexico). It is found that there is a significant difference in the efficiency calculated from both profiles because they differ strongly in structure. The experimental one has a pronounced layered structure with a great amount of the turbulence strength concentrated near the ground, while the theoretical profile suggests more smooth behavior of Cn(2) with altitude.
Avila Ricardo
Cuevas Salvador
Orlov Valeri G.
Voitsekhovich Valeri V.
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