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Instrumental and analytic methods for bolometric polarimetry

Jones, W. C. and Montroy, T. E. and Crill, B. P. and Contaldi, C. R. and Kisner, T. S. and Lange, A. E. and MacTavish, C. J. and Netterfield, C. B. and Ruhl, J. E. (2007) Instrumental and analytic methods for bolometric polarimetry. Astronomy and Astrophysics, 470 (2). pp. 771-785. ISSN 0004-6361. doi:10.1051/0004-6361:20065911.

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Aims. We discuss instrumental and analytic methods that have been developed for the first generation of bolometric cosmic microwave background (CMB) polarimeters. The design, characterization, and analysis of data obtained using Polarization Sensitive Bolometers (PSBs) are described in detail. This is followed by a brief study of the effect of various polarization modulation techniques on the recovery of sky polarization from scanning polarimeter data. Methods. Having been successfully implemented on the sub-orbital BOOMERANG experiment, PSBs are currently operational in two terrestrial CMB polarization experiments (QUaD and the Robinson Telescope). We investigate two approaches to the analysis of data from these experiments, using realistic simulations of time ordered data to illustrate the impact of instrumental effects on the fidelity of the recovered polarization signal. Results. We find that the analysis of difference time streams takes full advantage of the high degree of common mode rejection afforded by the PSB design. In addition to the observational efforts currently underway, this discussion is directly applicable to the PSBs that constitute the polarized capability of the Planck HFI instrument.

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Crill, B. P.0000-0002-4650-8518
Additional Information:© ESO 2007. (Received 26 June 2006 / Accepted 16 May 2007) The authors would like to thank Eric Hivon for many helpful discussions. The bolometers used by BOOMERANG, QUaD, the Robinson telescope, and Planck HFI were fabricated at the Micro-Devices Laboratory at JPL (Jamie Bock and Anthony Turner). BOOMERANG is an international collaboration between Caltech, JPL, IPAC, LBNL, U.C. Berkeley, Case Western Reserve University, University of Toronto, CITA, Cardiff University, Imperial College, Università di Roma, INGV, INFN, and the Institut d'Astrophysique.
Funding AgencyGrant Number
California Institute of TechnologyUNSPECIFIED
Jet Propulsion LaboratoryUNSPECIFIED
Infrared Processing and Analysis CenterUNSPECIFIED
Lawrence Berkeley National LaboratoryUNSPECIFIED
University of California, BerkeleyUNSPECIFIED
Case Western Reserve UniversityUNSPECIFIED
University of TorontoUNSPECIFIED
Canadian Institute for Theoretical AstrophysicsUNSPECIFIED
Cardiff UniversityUNSPECIFIED
Imperial CollegeUNSPECIFIED
Università di RomaUNSPECIFIED
Istituto Nazionale di Geofisica e Vulcanologia (Italy)UNSPECIFIED
Istituto Nazionale di Fisica Nucleare (Italy)UNSPECIFIED
Institut d'AstrophysiqueUNSPECIFIED
Subject Keywords:cosmic microwave background -- polarization -- instrumentation: detectors -- instrumentation: polarimeters -- techniques: polarimetric -- methods: numerical
Issue or Number:2
Record Number:CaltechAUTHORS:JONaanda07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12807
Deposited By: Archive Administrator
Deposited On:24 Dec 2008 19:38
Last Modified:08 Nov 2021 22:33

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