Simultaneous quad-color infrared imaging device (SQIID): a leap forward in infrared cameras for astronomy

Timothy A. Ellis; Raleigh Drake; Albert M. Fowler; Ian Gatley; Gerald B. Heim; Roger W. Luce; Michael Merrill; Ronald G. Probst; Nick C. Buchholz

doi:10.1117/12.140877

21 January 1993 Simultaneous quad-color infrared imaging device (SQIID): a leap forward in infrared cameras for astronomy

Timothy A. Ellis, Raleigh Drake, Albert M. Fowler, Ian Gatley, Gerald B. Heim, Roger W. Luce, Michael Merrill, Ronald G. Probst, Nick C. Buchholz

Author Affiliations +

Proceedings Volume 1765, Cryogenic Optical Systems and Instruments V; (1993) https://doi.org/10.1117/12.140877
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The Simultaneous Quad-Color Infrared Imaging Device (SQIID) is the first of a new generation of infrared instruments to be put into service at the Kitt Peak National Observatory (KPNO). The camera has been configured to be modular in design and to accept new innovations in detector format as they become available. Currently the camera is equipped with four 256 x 256 platinum silicide arrays with 30 micron pixels for each of the four bands J (1.1-1.4 microns), H (1.5-1.8 microns), K (2.0-2.4 microns), and L' (3.52-4.12 microns). The optics of the instrument have been designed to accept detector arrays as large as 512 x 512, or an equivalent field size of 12.4 mm x 12.4 mm. The instrument is cooled with a pair of closed cycle cryogenic coolers, which are mechanically aligned and electrically phased to eliminate vibration. In addition, a transputer based electronics system has been incorporated to facilitate fast frame rates, co-add frames, and ease the data handling burden.

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Timothy A. Ellis, Raleigh Drake, Albert M. Fowler, Ian Gatley, Gerald B. Heim, Roger W. Luce, Michael Merrill, Ronald G. Probst, and Nick C. Buchholz "Simultaneous quad-color infrared imaging device (SQIID): a leap forward in infrared cameras for astronomy", Proc. SPIE 1765, Cryogenic Optical Systems and Instruments V, (21 January 1993); https://doi.org/10.1117/12.140877

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