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Proceedings Paper

ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies
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Paper Abstract

ZEUS-2, the second generation (z)Redshift and Early Universe Spectrometer, like its predecessor is a moderate resolution (R~1000) long-slit, echelle grating spectrometer optimized for the detection of faint, broad lines from distant galaxies. It is designed for studying star-formation across cosmic time. ZEUS-2 employs three TES bolometer arrays (555 pixels total) to deliver simultaneous, multi-beam spectra in up to 4 submillimeter windows. The NIST Boulder-built arrays operate at ~100mK and are readout via SQUID multiplexers and the Multi-Channel Electronics from the University of British Columbia. The instrument is cooled via a pulse-tube cooler and two-stage ADR. Various filter configurations give ZEUS-2 access to 7 different telluric windows from 200 to 850 micron enabling the simultaneous mapping of lines from extended sources or the simultaneous detection of the 158 micron [CII] line and the [NII] 122 or 205 micron lines from z = 1-2 galaxies. ZEUS-2 is designed for use on the CSO, APEX and possibly JCMT.

Paper Details

Date Published: 15 July 2010
PDF: 14 pages
Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77410Y (15 July 2010); doi: 10.1117/12.857018
Show Author Affiliations
Carl Ferkinhoff, Cornell Univ. (United States)
Thomas Nikola, Cornell Univ. (United States)
Stephen C. Parshley, Cornell Univ. (United States)
Gordon J. Stacey, Cornell Univ. (United States)
Kent D. Irwin, NIST Boulder (United States)
Hsiao-Mei Cho, NIST Boulder (United States)
Mark Halpern, The Univ. of British Columbia (Canada)

Published in SPIE Proceedings Vol. 7741:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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