Status of the PALM-3000 high-order adaptive optics system

被引：4
作者：
Bouchez, Antonin H. [1 ]
Dekany, Richard G. [1 ]
Roberts, Jennifer E. [2 ]
Angione, John R. [2 ]
Baranec, Christoph [1 ]
Bui, Khanh [1 ]
Burruss, Rick S. [2 ]
Croner, Ernest E. [1 ]
Guiwits, Stephen R. [2 ]
Hale, David D. S. [1 ]
Henning, John R. [3 ]
Palmer, Dean [2 ]
Shelton, J. Chris [2 ]
Troy, Mitchell [2 ]
Truong, Tuan N. [2 ]
Wallace, J. Kent [2 ]
Zolkower, Jeffry [3 ]
机构：
[1] CALTECH, Caltech Opt Observ, Pasadena, CA 91125 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[3] CALTECH, Palomar Observ, Palomar Mountain, CA 92060 USA
来源：
ADAPTIVE OPTICS SYSTEMS II | 2010年 / 7736卷
基金：
美国国家科学基金会;
关键词：
Extreme Adaptive Optics; Extrasolar Planets; COMPANION;
D O I：
10.1117/12.857776
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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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页数：7
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