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Proceedings Paper

High-order wavefront sensing system for PALM-3000
Author(s): Christoph Baranec
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Paper Abstract

PALM-3000 is an upgrade to the current PALM-241 adaptive optics system at the 5.1 m Hale telescope which will allow diffraction-limited science in visible wavelengths using bright natural guide stars, have more modest performance with an upgraded Sodium laser guide star, and allow for guiding on faint natural guide stars. A key sub-system of the upgrade is a new high-order Shack-Hartmann wavefront sensor with selectable pupil sampling, up to 64 subapertures across the telescope aperture, to minimize wavefront reconstruction error for varying brightness of guide source with a frame rate up to 3 kHz. The design and current status of the high-order wavefront sensing system is presented.

Paper Details

Date Published: 15 July 2008
PDF: 9 pages
Proc. SPIE 7015, Adaptive Optics Systems, 70155M (15 July 2008); doi: 10.1117/12.788460
Show Author Affiliations
Christoph Baranec, Caltech Optical Observatories (United States)


Published in SPIE Proceedings Vol. 7015:
Adaptive Optics Systems
Norbert Hubin; Claire E. Max; Peter L. Wizinowich, Editor(s)

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