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Proceedings Paper

ALFA laser guide star: present status and future developments
Author(s): Sebastian Rabien; Richard I. Davies; Thomas Ott; David James Butler
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Paper Abstract

ALFA (Adaptive Optics with Laser for Astronomy) is a joint project between the Max Planck Institut fur extraterrestrische Physik in Garching and the Max Planck Institut fur Astronomie in Heidelberg. To increase the sky coverage of the adaptive optics system, we are using a laser guide star that is created in the sodium layer of the earth atmosphere. The laser consists of a 5W cw dye laser, operated at single frequency and tuned to the sodium D2 resonance transition. Here we report on the present status of the laser system, the technological means to ensure an easy operation of the laser guide star, as well as on developments we are planning for the future.

Paper Details

Date Published: 7 July 2000
PDF: 7 pages
Proc. SPIE 4007, Adaptive Optical Systems Technology, (7 July 2000); doi: 10.1117/12.390398
Show Author Affiliations
Sebastian Rabien, Max-Planck-Institut fuer Extraterrestriche Physik (Germany)
Richard I. Davies, Max-Planck-Institut fuer Extraterrestriche Physik (Germany)
Thomas Ott, Max-Planck-Institut fuer Extraterrestriche Physik (Germany)
David James Butler, Max-Planck-Institut fuer Extraterrestriche Physik (Germany)

Published in SPIE Proceedings Vol. 4007:
Adaptive Optical Systems Technology
Peter L. Wizinowich, Editor(s)

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