Bouchez, Antonin H. and Dekany, Richard G. and Roberts, Jennifer E. and Angione, John R. and Baranec, Christoph and Bui, Khanh and Burruss, Rick S. and Croner, Ernest E. and Guiwits, Stephen R. and Hale, David D. S. and Henning, John R. and Palmer, Dean and Shelton, J. Chris and Troy, Mitchell and Truong, Tuan N. and Wallace, J. Kent and Zolkower, Jeffry (2010) Status of the PALM-3000 high-order adaptive optics system. In: Adaptive Optics Systems II. Proceedings of SPIE (7736). Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 77361Q. ISBN 978-0-8194-8226-6 http://resolver.caltech.edu/CaltechAUTHORS:20110328-102140255
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Abstract
The PALM-3000 upgrade to the Palomar Adaptive Optics system will deliver extreme adaptive optics correction to a suite of three infrared and visible instruments on the 5.1 meter Hale telescope. PALM-3000 uses a 3388-actuator tweeter and a 241-actuator woofer deformable mirror, a wavefront sensor with selectable pupil sampling, and an innovative wavefront control computer based on a cluster of 17 graphics processing units to correct wavefront aberrations at scales as fine as 8.1 cm at the telescope pupil using natural guide stars. Many components of the system, including the science instruments and a post-coronagraphic calibration wavefront sensor, have already been commissioned on the sky. Results from a laboratory testbed used to characterize the remaining new components and verify all interfaces are reported. Deployment to Palomar Observatory is planned August 2010, with first light expected in early 2011.
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| Additional Information: | © 2010 SPIE. 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 3388 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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| Subject Keywords: | Extreme Adaptive Optics; Extrasolar Planets | ||||||||
| Record Number: | CaltechAUTHORS:20110328-102140255 | ||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20110328-102140255 | ||||||||
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| Official Citation: | Antonin H. Bouchez, Richard G. Dekany, Jennifer E. Roberts, John R. Angione, Christoph Baranec, Khanh Bui, Rick S. Burruss, Ernest E. Croner, Stephen R. Guiwits, David D. S. Hale, John R. Henning, Dean Palmer, J. Chris Shelton, Mitchell Troy, Tuan N. Truong, J. Kent Wallace and Jeffry Zolkower, "Status of the PALM-3000 high-order adaptive optics system", Proc. SPIE 7736, 77361Q (2010); doi:10.1117/12.857776 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 23130 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Tony Diaz | ||||||||
| Deposited On: | 15 Apr 2011 17:21 | ||||||||
| Last Modified: | 15 Apr 2011 17:21 |
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