The Adaptive Optics Project for the GI2T Interferometer

Details The Adaptive Optics Project for the GI2T Interferometer The Adaptive Optics Project for the GI2T Interferometer

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..609h&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

Astronomy and Astrophysics

Astrophysics

Scientific paper

This AO is based on a curvature wave front sensor (WFS) and a bimorphe mirror. The WFS uses photon counting avalanche diodes. The intra/extra focal pupil image is sampled by an array of 31 prisms which deflect light to the photodiodes. The WFS and the photodiodes modules were studies at the laboratory. The WFS is now under testing. We plan to close the complete AO loop in 2001 and to implement the first system on GI2T in 2002. The final project will contain two AO mounted at the entrance of the recombinaison table, and will enable the GI2T to gain 2 or 3 magnitudes and s/n.

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