ALFA: the MPIA/MPE adaptive optics with a laser for astronomy project

Details ALFA: the MPIA/MPE adaptive optics with a laser for astronomy project ALFA: the MPIA/MPE adaptive optics with a laser for astronomy project

Sep 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3353...44h&link_type=abstract

Proc. SPIE Vol. 3353, p. 44-55, Adaptive Optical System Technologies, Domenico Bonaccini; Robert K. Tyson; Eds.

Physics

Optics

8

Scientific paper

The Max-Planck-Institutes for Astronomy and for Extraterrestrial Physics (MPE) have recently installed a laser guide star (LGS) adaptive optics (AO) system at the 3.5m telescope on Calar Alto in Spain. The AO system consists of a Shack-Hartmann sensor, a deformable mirror with 97 actuators, and a wave-front processor that allows closed loop operations of up to 1200 Hz. As a first step we closed the high order AO loop on bright natural guide stars. As a second step we closed the AO loop ALFA's design, operation, and upgrade plans.

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