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Communication Dans Un Congrès Année : 2000

ELPOA: data processing of chromatic differences of the tilt measured with a polychromatic laser guide star

Résumé

In this paper we present an experiment for measuring the chromatic di erences of the tilt used a for polychromatic laser guide star, a suitable solution to overcome the monochromatic laser guide star limitation: the tilt indetermination. A comparative study between two types of data processing is done: the classical estimation of angle of arrival by the image center of gravity, and a new one: an estimation of tilts by tting a phase map in the polychromatic case. From these studies, expected precision is derived and comparison between simulations and data is done.
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Dates et versions

hal-04234977 , version 1 (10-10-2023)

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Citer

Jérôme Vaillant, Eric Thiebaut, Michel Tallon. ELPOA: data processing of chromatic differences of the tilt measured with a polychromatic laser guide star. Astronomical Telescopes and Instrumentation, Jul 2000, Munich, Germany. pp.308-315, ⟨10.1117/12.390341⟩. ⟨hal-04234977⟩
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