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25 October 2004 Second-generation adaptive optics for the 1.5 m solar telescope GREGOR, Tenerife
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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.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Thomas Berkefeld, Dirk Soltau, and Oskar F. H. von der Luhe "Second-generation adaptive optics for the 1.5 m solar telescope GREGOR, Tenerife", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.555505; https://doi.org/10.1117/12.555505
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