The VLT adaptive optics prototype system: status May 1988.

Details The VLT adaptive optics prototype system: status May 1988. The VLT adaptive optics prototype system: status May 1988.

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988msngr..52....5m&link_type=abstract

The Messenger, vol. 52, p. 5-7

Physics

Optics

3

Adaptive Optics:Vlt, Vlt:Adaptive Optics

Scientific paper

In 1987 ESO decided to develop and construct an adaptive optics prototype system. This initial step into the field of adaptive optics at ESO has been taken in collaboration with the French three institutions ONERA, CGE-Laboratoires de Marcoussis, and the Observatoire de Paris-Meudon (DESPA). The system is dimensioned for F/8 focus of the ESO 3.6-m telescope and the 1.52-m telescope of the Observatoire de HauteProvence. It operates as a polychromatic adaptive system (see Fig. 1), i. e. it is equipped with an infrared camera for image detection in the 3 to 5 micron-meter range while its wavefront sensor works in the visible. It uses a deformable mirror with 19 actuators while the wavefront is sensed at 10 x 10 subapertures. It serves as a testbench for the various elements of an adaptive system and the modal control algorithms.

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