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Proceedings Paper

Second-generation adaptive optics for the 1.5 m solar telescope GREGOR, Tenerife
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Paper Abstract

We present the optical setup and properties of the second-generation adaptive optics (AO) for the 1.5 m solar telescope GREGOR. The system will consist of a high order AO system correcting about 200 degrees of freedom on-axis at a bandwith of 200 Hz and a multi-conjugate (MCAO) extension that uses one additional deformable mirror to correct the low-order aberrations across a field of one arcminute at a bandwidth of 50 Hz. Diffraction limited observations will be possible for seeing better than 1.2 arcsec. First light is expected in 2007.

Paper Details

Date Published: 25 October 2004
PDF: 8 pages
Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.555505
Show Author Affiliations
Thomas Berkefeld, Kiepenheuer-Institut fur Sonnenphysik (Germany)
Dirk Soltau, Kiepenheuer-Institut fur Sonnenphysik (Germany)
Oskar F. H. von der Luhe, Kiepenheuer-Institut fur Sonnenphysik (Germany)

Published in SPIE Proceedings Vol. 5490:
Advancements in Adaptive Optics
Domenico Bonaccini Calia; Brent L. Ellerbroek; Roberto Ragazzoni, Editor(s)

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