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Proceedings Paper

Bolocam: a millimeter-wave bolometric camera
Author(s): Jason Glenn; James J. Bock; Goutam Chattopadhyay; Samantha F. Edgington; Andrew E. Lange; Jonas Zmuidzinas; Philip D. Mauskopf; Brooks Rownd; Lunming Yuen; Peter A. R. Ade
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Paper Abstract

We describe the design of Bolocam, a bolometric camera for millimeter-wave observations at the Caltech Submillimeter Observatory. Bolocam will have 144 diffraction-limited detectors operating at 300 mK, an 8 arcminute field of view, and a sky noise limited NEFD of approximately 35 mJy Hz-1/2 per pixel at (lambda) equals 1.4 mm. Observations will be possible at one of (lambda) equals 1.1., 1.4, or 2.1 mm per observing run. The detector array consists of sensitive NTD Ge thermistors bonded to silicon nitride micromesh absorbers patterned on a single wafer of silicon. This is a new technology in millimeter-wave detector array construction. To increase detector packing density, the feed horns will be spaced by 1.26 f(lambda) (at (lambda) equals 1.4 mm), rather than the conventional 2 f(lambda) . DC stable read out electronics will enable on-the-fly mapping and drift scanning. We will use Bolocam to map Galactic dust emission, to search for protogalaxies, and to observe the Sunyaev- Zel'dovich effect toward galaxy clusters.

Paper Details

Date Published: 31 July 1998
PDF: 9 pages
Proc. SPIE 3357, Advanced Technology MMW, Radio, and Terahertz Telescopes, (31 July 1998); doi: 10.1117/12.317418
Show Author Affiliations
Jason Glenn, California Institute of Technology (United States)
James J. Bock, California Institute of Technology (United States)
Goutam Chattopadhyay, California Institute of Technology (United States)
Samantha F. Edgington, California Institute of Technology (United States)
Andrew E. Lange, California Institute of Technology (United States)
Jonas Zmuidzinas, California Institute of Technology (United States)
Philip D. Mauskopf, Univ. of Massachusetts/Amherst (United Kingdom)
Brooks Rownd, Univ. of Massachusetts/Amherst (United States)
Lunming Yuen, Univ. of Massachusetts/Amherst (United States)
Peter A. R. Ade, Queen Mary and Westfield College (United Kingdom)

Published in SPIE Proceedings Vol. 3357:
Advanced Technology MMW, Radio, and Terahertz Telescopes
Thomas G. Phillips, Editor(s)

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