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Design and performance of the PALM-3000 3.5 kHz upgrade

Meeker, Seth R. and Truong, Tuan N. and Roberts, Jennifer E. and Shelton, J. Chris and Fregoso, S. Felipe and Burruss, Rick S. and Dekany, Richard G. and Wallace, J. Kent and Baker, John W. and Heffner, Carolyn M. and Mawet, Dimitri and Rykoski, Kevin M. and Tesch, Jonathan A. and Vasisht, Gautam (2020) Design and performance of the PALM-3000 3.5 kHz upgrade. In: Adaptive Optics Systems VII. Proceedings of SPIE. No.11448. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 114480W. ISBN 9781510636835.

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PALM-3000 (P3K), the second-generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope at Palomar Observatory, underwent a significant upgrade to its wavefront sensor (WFS) arm and real-time control (RTC) system in late 2019. Main features of this upgrade include an EMCCD WFS camera capable of 3.5 kHz framerates and advanced Digital Signal Processor (DSP) boards to replace the aging GPU based real-time control system. With this upgrade P3K is able to maintain a lock on natural guide stars fainter than mV=16. Here we present the design and on-sky re-commissioning results of the upgraded system.

Item Type:Book Section
Related URLs:
URLURL TypeDescription Paper
Shelton, J. Chris0000-0001-8982-1654
Dekany, Richard G.0000-0002-5884-7867
Wallace, J. Kent0000-0001-5299-6899
Mawet, Dimitri0000-0002-8895-4735
Vasisht, Gautam0000-0002-1871-6264
Additional Information:© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE). The authors would like to acknowledge the excellent (and patient) support of the Palomar Observatory staff during this instrument upgrade, re-commissioning, and beyond as we worked to understand this new system. This research was carried out in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.
Group:Astronomy Department
Funding AgencyGrant Number
Subject Keywords:Adaptive Optics, Shack-Hartmann Wavefront Sensor, Electron Multiplying CCD, Real-time Control, Digital Signal Processors
Series Name:Proceedings of SPIE
Issue or Number:11448
Record Number:CaltechAUTHORS:20210106-074923788
Persistent URL:
Official Citation:Seth R. Meeker, Tuan N. Truong, Jennifer E. Roberts, J. Chris Shelton, S. Felipe Fregoso, Rick S. Burruss, Richard G. Dekany, J. Kent Wallace, John W. Baker, Carolyn M. Heffner, Dimitry Mawet, Kevin M. Rykoski, Jonathan A. Tesch, and Gautam Vasisht "Design and performance of the PALM-3000 3.5 kHz upgrade", Proc. SPIE 11448, Adaptive Optics Systems VII, 114480W (13 December 2020);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107332
Deposited By: Tony Diaz
Deposited On:06 Jan 2021 17:37
Last Modified:16 Nov 2021 19:01

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