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Proceedings Paper

Modeling and characterization of the SPIDER half-wave plate
Author(s): Sean A. Bryan; Peter A. R. Ade; Mandana Amiri; Steve Benton; Richard Bihary; James J. Bock; J. Richard Bond; Joseph A. Bonetti; H. Cynthia Chiang; Carlo R. Contaldi; Brendan P. Crill; Daniel O'Dea; Olivier Dore; Marzieh Farhang; Jeffrey P. Filippini; Laura Fissel; Natalie Gandilo; Sunil Golwala; Jon E. Gudmundsson; Matthew Hasselfield; Mark Halpern; Kyle R. Helson; Gene Hilton; Warren Holmes; Viktor V. Hristov; Kent D. Irwin; William C. Jones; Chao Lin Kuo; Carrie J. MacTavish; Peter Mason; Tracy Morford; Thomas E. Montroy; C. Barth Netterfield; Alexandra S. Rahlin; Carl D. Reintsema; Daniel Riley; John E. Ruhl; Marcus C. Runyan; Matthew A. Schenker; Jamil Shariff; Juan Diego Soler; Amy Transrud; Rebecca Tucker; Carole Tucker; Anthony Turner
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Paper Abstract

Spider is a balloon-borne array of six telescopes that will observe the Cosmic Microwave Background. The 2624 antenna-coupled bolometers in the instrument will make a polarization map of the CMB with approximately one-half degree resolution at 145 GHz. Polarization modulation is achieved via a cryogenic sapphire half-wave plate (HWP) skyward of the primary optic. We have measured millimeter-wave transmission spectra of the sapphire at room and cryogenic temperatures. The spectra are consistent with our physical optics model, and the data gives excellent measurements of the indices of A-cut sapphire. We have also taken preliminary spectra of the integrated HWP, optical system, and detectors in the prototype Spider receiver. We calculate the variation in response of the HWP between observing the CMB and foreground spectra, and estimate that it should not limit the Spider constraints on inflation.

Paper Details

Date Published: 15 July 2010
PDF: 8 pages
Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77412B (15 July 2010); doi: 10.1117/12.857837
Show Author Affiliations
Sean A. Bryan, Case Western Reserve Univ. (United States)
Peter A. R. Ade, Cardiff Univ. (United Kingdom)
Mandana Amiri, The Univ. of British Columbia (Canada)
Steve Benton, Univ. of Toronto (United States)
Richard Bihary, Case Western Reserve Univ. (United States)
James J. Bock, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
J. Richard Bond, Univ. of Toronto (United States)
Joseph A. Bonetti, Jet Propulsion Lab. (United States)
H. Cynthia Chiang, Princeton Univ. (United States)
Carlo R. Contaldi, Imperial College London (United Kingdom)
Brendan P. Crill, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
Daniel O'Dea, Imperial College London (United Kingdom)
Olivier Dore, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
Marzieh Farhang, Univ. of Toronto (United States)
Jeffrey P. Filippini, California Institute of Technology (United States)
Laura Fissel, Univ. of Toronto (United States)
Natalie Gandilo, Univ. of Toronto (United States)
Sunil Golwala, California Institute of Technology (United States)
Jon E. Gudmundsson, Princeton Univ. (United States)
Matthew Hasselfield, The Univ. of British Columbia (Canada)
Mark Halpern, The Univ. of British Columbia (Canada)
Kyle R. Helson, Case Western Reserve Univ. (United States)
Gene Hilton, National Institute of Standards and Technology (United States)
Warren Holmes, Jet Propulsion Lab. (United States)
Viktor V. Hristov, California Institute of Technology (United States)
Kent D. Irwin, National Institute of Standards and Technology (United States)
William C. Jones, Princeton Univ. (United States)
Chao Lin Kuo, Stanford Univ. (United States)
Carrie J. MacTavish, Univ. of Cambridge (United Kingdom)
Peter Mason, California Institute of Technology (United States)
Tracy Morford, California Institute of Technology (United States)
Thomas E. Montroy, Case Western Reserve Univ. (United States)
C. Barth Netterfield, Univ. of Toronto (United States)
Alexandra S. Rahlin, Princeton Univ. (United States)
Carl D. Reintsema, National Institute of Standards and Technology (United States)
Daniel Riley, Case Western Reserve Univ. (United States)
John E. Ruhl, Case Western Reserve Univ. (United States)
Marcus C. Runyan, California Institute of Technology (United States)
Matthew A. Schenker, California Institute of Technology (United States)
Jamil Shariff, Univ. of Toronto (United States)
Juan Diego Soler, Univ. of Toronto (United States)
Amy Transrud, California Institute of Technology (United States)
Rebecca Tucker, California Institute of Technology (United States)
Carole Tucker, Cardiff Univ. (United Kingdom)
Anthony Turner, Jet Propulsion Lab. (United States)


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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