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Proceedings Paper

The Redstar3 array controller: embedding Linux and PCs as a DSP replacement
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Paper Abstract

The design of the Redstar3 array control system including operational requirements and performance is presented. The architecture is intended to support next generation large format infrared/optical arrays and mosaics by using a new scalable approach that takes advantage of commercially available electronics. Specifically, an approach of using a combination of high speed fiber links, networked PCs and Linux to replace the previous generation of VME based DSPs will be discussed in detail. The design will be used to control HAWAII-2RG (1-4.9μm 2Kx2K HgCdTe), Aladdin II and III (1-5 μm 1Kx1K InSb) arrays in facility class instruments for Gemini, NSO and IRTF. It is also intended to be the platform for high count curvature correction, waveform sense and control for adaptive optics.

Paper Details

Date Published: 7 March 2003
PDF: 12 pages
Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); doi: 10.1117/12.461186
Show Author Affiliations
Peter M. Onaka, Institute for Astronomy/Univ. of Hawaii (United States)
Charles Lockhart, Institute for Astronomy/Univ. of Hawaii (United States)
Alan T. Tokunaga, Institute for Astronomy/Univ. of Hawaii (United States)
John T. Rayner, Institute for Astronomy/Univ. of Hawaii (United States)
Douglas W. Toomey, Institute for Astronomy/Univ. of Hawaii (United States)
Gregory K. Ching, Institute for Astronomy/Univ. of Hawaii (United States)


Published in SPIE Proceedings Vol. 4841:
Instrument Design and Performance for Optical/Infrared Ground-based Telescopes
Masanori Iye; Alan F. M. Moorwood, Editor(s)

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