Come-On: An Adaptive Optics Prototype Dedicated To Infrared Astronomy

Pierre Kern; Pierre Lena; Pierre Gigan; Jean-Claude Fontanella; Gerard Rousset; Fritz Merkle; Jean-Paul Gaffard

doi:10.1117/12.961501

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26 September 1989 Come-On: An Adaptive Optics Prototype Dedicated To Infrared Astronomy

Pierre Kern, Pierre Lena, Pierre Gigan, Jean-Claude Fontanella, Gerard Rousset, Fritz Merkle, Jean-Paul Gaffard

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Proceedings Volume 1130, New Technologies for Astronomy; (1989) https://doi.org/10.1117/12.961501
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

The paper presents the status of the COME-ON (CGE Observatoire de Meudon ESO ONERA) experiment. This instrument, developed and tested by several European laboratories, is an adaptive optical system with a 19 actuators deformable mirror and a Hartmann Shack type wavefront sensor. The wavefront sensing is performed at visible wavelengths; a special computer drives the deformable mirror which should achieve diffraction limited infrared imagery with large optical telescope. The different components and their individual characteristics are described. The results of the tests of some components are given: 19 actuators deformable mirror, tip-tilt mirror. The expected performances are summarized and possible applications of the instrument to astronomical sources are presented. The isoplanaticity aspect, the required temporal bandwidth and reference source brightness is discussed. The conclusions of the experiment will be used for the design of adaptive optics for the ESO Very Large Telescope.

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Pierre Kern, Pierre Lena, Pierre Gigan, Jean-Claude Fontanella, Gerard Rousset, Fritz Merkle, and Jean-Paul Gaffard "Come-On: An Adaptive Optics Prototype Dedicated To Infrared Astronomy", Proc. SPIE 1130, New Technologies for Astronomy, (26 September 1989); https://doi.org/10.1117/12.961501

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