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Proceedings Paper

Reconfigurable electronics at the IOTA interferometer
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Paper Abstract

We describe the new control system for the PICNIC near-infrared camera and the visible star tracker, implemented at the IOTA interferometer, based on the ALTERA Complex Programmable Logic Device (CPLD) technology. These digital components provide an adaptive interface between the control system and the cameras used at IOTA, allowing flexibility when connecting very different devices. In particular the clocking and processing circuits used for the PICNIC camera can be changed in milliseconds during normal operation. The camera can then switch between full quadrant readout mode used for alignment and diagnostics, and a N pixel readout mode used for science operation.

Paper Details

Date Published: 21 February 2003
PDF: 13 pages
Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); doi: 10.1117/12.459339
Show Author Affiliations
Ettore Pedretti, Harvard-Smithsonian Ctr. for Astrophysics (United States)
College de France (France)
LISE/Observatoire de Haute-Provence (France)
Rafael Millan-Gabet, Harvard-Smithsonian Ctr. for Astrophysics (United States)
John D. Monnier, Harvard-Smithsonian Ctr. for Astrophysics (United States)
S. Morel, Harvard Smithsonian Ctr. for Astrophysics (United States)
Wesley A. Traub, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Nathaniel P. Carleton, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Jean-Philippe Berger, Harvard Smithsonian Ctr. for Astrophysics (United States)
Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
P. Schloerb, Univ. of Massachusetts/Amherst (United States)
Michael K. Brewer, Univ. of Massachusetts/Amherst (United States)
Sam Ragland, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Marc G. Lacasse, Harvard-Smithsonian Ctr. for Astrophysics (United States)


Published in SPIE Proceedings Vol. 4838:
Interferometry for Optical Astronomy II
Wesley A. Traub, Editor(s)

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