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From Clear to DKIST: advancing solar MCAO from 1.6 to 4 meters
Author(s): Dirk Schmidt; Jose Marino; Nicolas Gorceix; Thomas Rimmele; Luke Johnson; Thomas Berkefeld; Philip Goode
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Paper Abstract

The MCAO pathfinder Clear on the 1.6-meter Goode Solar Telescope has been enabling us to advance solar MCAO from early conceptual demonstrations to science grade wide-field image correction. We report on recent improvements to the control loop and we comment on issues such as the co-aligning of wavefront sensors and deformable mirrors and the sensitivity of wavefront sensor gains. Further, we comment on the challenges to wavefront sensing and the control system architecture faced when scaling up to a 4-meter aperture. Finally, we present an early concept of the future MCAO upgrade for the Daniel K. Inouye Solar Telescope.

Paper Details

Date Published: 17 July 2018
PDF: 9 pages
Proc. SPIE 10703, Adaptive Optics Systems VI, 1070326 (17 July 2018); doi: 10.1117/12.2313787
Show Author Affiliations
Dirk Schmidt, National Solar Observatory (United States)
Jose Marino, National Solar Observatory (United States)
Nicolas Gorceix, Big Bear Solar Observatory, New Jersey Institute of Technology (United States)
Thomas Rimmele, National Solar Observatory (United States)
Luke Johnson, National Solar Observatory (United States)
Thomas Berkefeld, Kiepenheuer-Institut für Sonnenphysik (Germany)
Philip Goode, Big Bear Solar Observatory, New Jersey Institute of Technology (United States)


Published in SPIE Proceedings Vol. 10703:
Adaptive Optics Systems VI
Laird M. Close; Laura Schreiber; Dirk Schmidt, Editor(s)

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