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Proceedings Paper

Instrument design and characterization of the Millimeter Bolometer Array Camera on the Atacama Cosmology Telescope
Author(s): D. S. Swetz; P. A. R. Ade; C. Allen; M. Amiri; J. W. Appel; E. S. Battistelli; B. Burger; J. A. Chervenak; A. J. Dahlen; S. Das; S. Denny; M. J. Devlin; S. R. Dicker; W. B. Doriese; R. Dünner; T. Essinger-Hileman; R. P. Fisher; J. W. Fowler; X. Gao; A. Hajian; M. Halpern; P. C. Hargrave; M. Hasselfield; G. C. Hilton; A. D. Hincks; K. D. Irwin; N. Jarosik; M. Kaul; J. Klein; S. Knotek; J. M. Lau; M. Limon; R. H. Lupton; T. A. Marriage; K. L. Martocci; P. Mauskopf; S. H. Moseley; C. B. Netterfield; M. D. Niemack; M. R. Nolta; L. Page; L. P. Parker; B. A. Reid; C. D. Reintsema; A. J. Sederberg; N. Sehgal; J. L. Sievers; D. N. Spergel; S. T. Staggs; O. R. Stryzak; E. R. Switzer; R. J. Thornton; C. Tucker; E. J. Wollack; Y. Zhao
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Paper Abstract

The Millimeter Bolometer Array Camera (MBAC) was commissioned in the fall of 2007 on the new 6-meter Atacama Cosmology Telescope (ACT). The MBAC on the ACT will map the temperature anisotropies of the Cosmic Microwave Background (CMB) with arc-minute resolution. For this first observing season, the MBAC contained a diffraction-limited, 32 by 32 element, focal plane array of Transition Edge Sensor (TES) bolometers for observations at 145 GHz. This array was coupled to the telescope with a series of cold, refractive, reimaging optics. To meet the performance specifications, the MBAC employs four stages of cooling using closed-cycle 3He/4He sorption fridge systems in combination with pulse tube coolers. In this paper we present the design of the instrument and discuss its performance during the first observing season. Finally, we report on the status of the MBAC for the 2008 observing season, when the instrument will be upgraded to a total of three separate 1024-element arrays at 145 GHz, 220 GHz and 280 GHz.

Paper Details

Date Published: 15 July 2008
PDF: 12 pages
Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 702008 (15 July 2008); doi: 10.1117/12.789876
Show Author Affiliations
D. S. Swetz, Univ. of Pennsylvania (United States)
P. A. R. Ade, Cardiff Univ. (United Kingdom)
C. Allen, NASA Goddard Space Flight Ctr. (United States)
M. Amiri, The Univ. of British Columbia (Canada)
J. W. Appel, Princeton Univ. (United States)
E. S. Battistelli, Univ. of Rome La Sapienza (Italy)
The Univ. of British Columbia (Canada)
B. Burger, The Univ. of British Columbia (Canada)
J. A. Chervenak, NASA Goddard Space Flight Ctr. (United States)
A. J. Dahlen, Princeton Univ. (United States)
S. Das, Princeton Univ. (United States)
S. Denny, Princeton Univ. (United States)
M. J. Devlin, Univ. of Pennsylvania (United States)
S. R. Dicker, Univ. of Pennsylvania (United States)
W. B. Doriese, National Institute of Standards and Technology (United States)
R. Dünner, Pontificia Univ. Católica de Chile (Chile)
Princeton Univ. (United States)
T. Essinger-Hileman, Princeton Univ. (United States)
R. P. Fisher, Princeton Univ. (United States)
J. W. Fowler, Princeton Univ. (United States)
X. Gao, UK Astronomy Technology Ctr., Royal Observatory (United Kingdom)
A. Hajian, Princeton Univ. (United States)
M. Halpern, The Univ. of British Columbia (Canada)
P. C. Hargrave, Cardiff Univ. (United Kingdom)
M. Hasselfield, The Univ. of British Columbia (Canada)
G. C. Hilton, National Institute of Standards and Technology (United States)
A. D. Hincks, Princeton Univ. (United States)
K. D. Irwin, National Institute of Standards and Technology (United States)
N. Jarosik, Princeton Univ. (United States)
M. Kaul, Univ. of Pennsylvania (United States)
J. Klein, Univ. of Pennsylvania (United States)
S. Knotek, The Univ. of British Columbia (Canada)
J. M. Lau, Stanford Univ. (United States)
M. Limon, Columbia Astrophysics Lab. (United States)
R. H. Lupton, Princeton Univ. (United States)
T. A. Marriage, Princeton Univ. (United States)
K. L. Martocci, CUNY (United States)
P. Mauskopf, Cardiff Univ. (United Kingdom)
S. H. Moseley, NASA Goddard Space Flight Ctr. (United States)
C. B. Netterfield, Univ. of Toronto (Canada)
M. D. Niemack, Princeton Univ. (United States)
M. R. Nolta, Canadian Institute for Theoretical Astrophysics, Univ. of Toronto (Canada)
L. Page, Princeton Univ. (United States)
L. P. Parker, Princeton Univ. (United States)
B. A. Reid, Princeton Univ. (United States)
C. D. Reintsema, National Institute of Standards and Technology (United States)
A. J. Sederberg, Princeton Univ. (United States)
N. Sehgal, Rutgers Univ. (United States)
J. L. Sievers, Canadian Institute for Theoretical Astrophysics, Univ. of Toronto (Canada)
D. N. Spergel, Princeton Univ. (United States)
S. T. Staggs, Princeton Univ. (United States)
O. R. Stryzak, Princeton Univ. (United States)
E. R. Switzer, Princeton Univ. (United States)
R. J. Thornton, Univ. of Pennsylvania (United States)
C. Tucker, Cardiff Univ. (United Kingdom)
E. J. Wollack, NASA Goddard Space Flight Ctr. (United States)
Y. Zhao, Princeton Univ. (United States)


Published in SPIE Proceedings Vol. 7020:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV
William D. Duncan; Wayne S. Holland; Stafford Withington; Jonas Zmuidzinas, Editor(s)

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