Efficiency of off-axis astronomical adaptive systems: comparison of experimental data for different astronomical sites

Leonardo J. Sanchez; Valeri V. Voitsekhovich; Valeri G. Orlov; Remy Avila; Salvador Cuevas

doi:10.1117/12.390387

7 July 2000 Efficiency of off-axis astronomical adaptive systems: comparison of experimental data for different astronomical sites

Leonardo J. Sanchez, Valeri V. Voitsekhovich, Valeri G. Orlov, Remy Avila, Salvador Cuevas

Author Affiliations +

Proceedings Volume 4007, Adaptive Optical Systems Technology; (2000) https://doi.org/10.1117/12.390387
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

The efficiency of off-axis adaptive astronomical systems is estimated for four astronomical sites: Paranal (Chili), Roque de los Muchachos (Canary Islands), San Pedro Martir (Mexico) and Observatoire de Haute Provence (France). The efficiency of interest is considered through the Strehl ratio of the corrected image calculated for V, J and K bands and for 8-m class telescopes. The experimental optical turbulence strength C_n²(z) profiles necessary for calculations have been measured with balloon flights and with the Generalized Scidar. It is found that this efficiency depends mainly on the C_n²(z) profile layered structure and on the turbulence strength.

Citation Download Citation

Leonardo J. Sanchez, Valeri V. Voitsekhovich, Valeri G. Orlov, Remy Avila, and Salvador Cuevas "Efficiency of off-axis astronomical adaptive systems: comparison of experimental data for different astronomical sites", Proc. SPIE 4007, Adaptive Optical Systems Technology, (7 July 2000); https://doi.org/10.1117/12.390387

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