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

Carl Ferkinhoff; Thomas Nikola; Stephen C. Parshley; Gordon J. Stacey; Kent D. Irwin; Hsiao-Mei Cho; Mark Halpern

doi:10.1117/12.857018

15 July 2010 ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies

Carl Ferkinhoff, Thomas Nikola, Stephen C. Parshley, Gordon J. Stacey, Kent D. Irwin, Hsiao-Mei Cho, Mark Halpern

Proceedings Volume 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V; 77410Y (2010) https://doi.org/10.1117/12.857018
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

Citation Download Citation

Carl Ferkinhoff, Thomas Nikola, Stephen C. Parshley, Gordon J. Stacey, Kent D. Irwin, Hsiao-Mei Cho, and Mark Halpern "ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77410Y (15 July 2010); https://doi.org/10.1117/12.857018

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