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Published July 10, 2008 | Version Published
Book Section - Chapter Open

PALM-3000 high-order adaptive optics system for Palomar Observatory

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Abstract

Deployed as a multi-user shared facility on the 5.1 meter Hale Telescope at Palomar Observatory, the PALM-3000 highorder upgrade to the successful Palomar Adaptive Optics System will deliver extreme AO correction in the near-infrared, and diffraction-limited images down to visible wavelengths, using both natural and sodium laser guide stars. Wavefront control will be provided by two deformable mirrors, a 3368 active actuator woofer and 349 active actuator tweeter, controlled at up to 3 kHz using an innovative wavefront processor based on a cluster of 17 graphics processing units. A Shack-Hartmann wavefront sensor with selectable pupil sampling will provide high-order wavefront sensing, while an infrared tip/tilt sensor and visible truth wavefront sensor will provide low-order LGS control. Four back-end instruments are planned at first light: the PHARO near-infrared camera/spectrograph, the SWIFT visible light integral field spectrograph, Project 1640, a near-infrared coronagraphic integral field spectrograph, and 888Cam, a high-resolution visible light imager.

Additional Information

© 2008 Society of Photo-Optical Instrumentation Engineers. This research was supported by National Science Foundation grant AST-0619922, PI: Dr. R. Dekany. Support for the wavefront reconstructor computer has been provided by the Air Force Office of Sponsored Research, Award #FA9550-06-1-0343 (DURIP FY06). Support for the PALM-3000 3368 actuator DM is provided by a NASA Small Business Innovation Research grant #NNG06CA21C. Generous support for the adaptive optics interface to the SWIFT instrument has been provided by Ron and Glo Helin.

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Additional details

Identifiers

Eprint ID
91868
Resolver ID
CaltechAUTHORS:20181217-134857907

Funding

NSF
AST-0619922
Air Force Office of Sponsored Research (AFOSR)
FA9550-06-1-0343
NASA
NNG06CA21C

Dates

Created
2018-12-18
Created from EPrint's datestamp field
Updated
2021-11-16
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Caltech Custom Metadata

Series Name
Proceedings of SPIE
Series Volume or Issue Number
7015