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astro-ph1998★ 1 cited
First Observational Results from ALFA with Natural and Laser Guide Stars
R. I. Davies, W. Hackenberg, T. Ott +5
The sodium laser guide star adaptive optics system ALFA, which is installed at the Calar Alto 3.5-m telescope, has been undergoing an intensive optimisation phase. Observations usi…
astro-ph1998★ 6 cited
ALFA: First Operational Experience of the MPE/MPIA Laser Guide Star System for Adaptive Optics
R. I. Davies, W. Hackenberg, T. Ott +5
The sodium laser guide star adaptive optics system ALFA has been constructed at the Calar Alto 3.5-m telescope. Following the first detection of the laser beacon on the wavefront s…