Open AccessDesign and Expected Performance of GISMO-2, a Two Color Millimeter Camera for the IRAM 30 m Telescope
Author(s) -
Johannes Staguhn,
Dominic J. Benford,
E. Dwek,
G. C. Hilton,
D. J. Fixsen,
K. D. Irwin,
Christine A. Jhabvala,
A. Kovács,
Samuel Leclercq,
Stephen F. Maher,
T. M. Miller,
S. H. Moseley,
Elmer Sharp,
Edward J. Wollack
Publication year - 2014
Publication title -
journal of low temperature physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.598
H-Index - 67
eISSN - 1573-7357
pISSN - 0022-2291
DOI - 10.1007/s10909-014-1086-8
Subject(s) - bolometer , telescope , physics , millimeter , field of view , astrophysics , optics , astronomy , detector
We present the main design features for the GISMO-2 bolometer camera, which we build for background-limited operation at the IRAM 30 m telescope on Pico Veleta, Spain. GISMO-2 will operate simultaneously in the 1 and 2 mm atmospherical windows. The 1 mm channel uses a \(32 \times 40\) TES-based backshort under grid (BUG) bolometer array, the 2 mm channel operates with a \(16 \times 16\) BUG array. The camera utilizes almost the entire full field of view provided by the telescope. The optical design of GISMO-2 was strongly influenced by our experience with the GISMO 2 mm bolometer camera, which is successfully operating at the 30 m telescope. GISMO is accessible to the astronomical community through the regular IRAM call for proposals.
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