Performance and on-sky optical characterization of the SPTpol instrument
In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwave background (CMB). Measurements of the polarization of the CMB at small angular scales (~several arcminutes) can detec...
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| creator | George, E M Ade, P Aird, K A Austermann, J E Beall, J A Becker, D Bender, A Benson, B A Bleem, L E Britton, J Carlstrom, J E Chang, C L Chiang, H C H-M, Cho Crawford, T M Crites, A T Datesman, A de Haan, T Dobbs, M A Everett, W Ewall-Wice, A Halverson, N W Harrington, N Henning, J W Hilton, G C Holzapfel, W L Hoover, S Huang, N Hubmayr, J Irwin, K D Karfunkle, M Keisler, R Kennedy, J Lee, A T Leitch, E D Li Lueker, M Marrone, D P McMahon, J J Mehl, J Meyer, S S Montgomery, J Montroy, T E Nagy, J Natoli, T Nibarger, J P Niemack, M D Novosad, V Padin, S Pryke, C Reichardt, C L Ruhl, J E Saliwanchik, B R Sayre, J T Schaffer, K K Shirokoff, E Story, K Tucker, C Vanderlinde, K Vieira, J D Wang, G Williamson, R Yefremenko, V Yoon, K W Young, E |
| description | In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwave background (CMB). Measurements of the polarization of the CMB at small angular scales (~several arcminutes) can detect the gravitational lensing of the CMB by large scale structure and constrain the sum of the neutrino masses. At large angular scales (~few degrees) CMB measurements can constrain the energy scale of Inflation. SPTpol is a two-color mm-wave camera that consists of 180 polarimeters at 90 GHz and 588 polarimeters at 150 GHz, with each polarimeter consisting of a dual transition edge sensor (TES) bolometers. The full complement of 150 GHz detectors consists of 7 arrays of 84 ortho-mode transducers (OMTs) that are stripline coupled to two TES detectors per OMT, developed by the TRUCE collaboration and fabricated at NIST. Each 90 GHz pixel consists of two antenna-coupled absorbers coupled to two TES detectors, developed with Argonne National Labs. The 1536 total detectors are read out with digital frequency-domain multiplexing (DfMUX). The SPTpol deployment represents the first on-sky tests of both of these detector technologies, and is one of the first deployed instruments using DfMUX readout technology. We present the details of the design, commissioning, deployment, on-sky optical characterization and detector performance of the complete SPTpol focal plane. |
| doi_str_mv | 10.48550/arxiv.1210.4971 |
| format | Article |
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Measurements of the polarization of the CMB at small angular scales (~several arcminutes) can detect the gravitational lensing of the CMB by large scale structure and constrain the sum of the neutrino masses. At large angular scales (~few degrees) CMB measurements can constrain the energy scale of Inflation. SPTpol is a two-color mm-wave camera that consists of 180 polarimeters at 90 GHz and 588 polarimeters at 150 GHz, with each polarimeter consisting of a dual transition edge sensor (TES) bolometers. The full complement of 150 GHz detectors consists of 7 arrays of 84 ortho-mode transducers (OMTs) that are stripline coupled to two TES detectors per OMT, developed by the TRUCE collaboration and fabricated at NIST. Each 90 GHz pixel consists of two antenna-coupled absorbers coupled to two TES detectors, developed with Argonne National Labs. The 1536 total detectors are read out with digital frequency-domain multiplexing (DfMUX). The SPTpol deployment represents the first on-sky tests of both of these detector technologies, and is one of the first deployed instruments using DfMUX readout technology. We present the details of the design, commissioning, deployment, on-sky optical characterization and detector performance of the complete SPTpol focal plane.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1210.4971</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Anisotropy ; Balances (scales) ; Big Bang theory ; Bolometers ; Cosmic microwave background ; Detectors ; Focal plane ; Gravitational lenses ; Large scale structure of the universe ; Millimeter waves ; Multiplexing ; Neutrinos ; Optical properties ; Physics - Instrumentation and Methods for Astrophysics ; Polarimeters ; Polarization ; Sensors ; South Pole ; Transducers</subject><ispartof>arXiv.org, 2012-10</ispartof><rights>2012. 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Measurements of the polarization of the CMB at small angular scales (~several arcminutes) can detect the gravitational lensing of the CMB by large scale structure and constrain the sum of the neutrino masses. At large angular scales (~few degrees) CMB measurements can constrain the energy scale of Inflation. SPTpol is a two-color mm-wave camera that consists of 180 polarimeters at 90 GHz and 588 polarimeters at 150 GHz, with each polarimeter consisting of a dual transition edge sensor (TES) bolometers. The full complement of 150 GHz detectors consists of 7 arrays of 84 ortho-mode transducers (OMTs) that are stripline coupled to two TES detectors per OMT, developed by the TRUCE collaboration and fabricated at NIST. Each 90 GHz pixel consists of two antenna-coupled absorbers coupled to two TES detectors, developed with Argonne National Labs. The 1536 total detectors are read out with digital frequency-domain multiplexing (DfMUX). The SPTpol deployment represents the first on-sky tests of both of these detector technologies, and is one of the first deployed instruments using DfMUX readout technology. We present the details of the design, commissioning, deployment, on-sky optical characterization and detector performance of the complete SPTpol focal plane.</description><subject>Anisotropy</subject><subject>Balances (scales)</subject><subject>Big Bang theory</subject><subject>Bolometers</subject><subject>Cosmic microwave background</subject><subject>Detectors</subject><subject>Focal plane</subject><subject>Gravitational lenses</subject><subject>Large scale structure of the universe</subject><subject>Millimeter waves</subject><subject>Multiplexing</subject><subject>Neutrinos</subject><subject>Optical properties</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><subject>Polarimeters</subject><subject>Polarization</subject><subject>Sensors</subject><subject>South 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Kennedy, J ; Lee, A T ; Leitch, E ; D Li ; Lueker, M ; Marrone, D P ; McMahon, J J ; Mehl, J ; Meyer, S S ; Montgomery, J ; Montroy, T E ; Nagy, J ; Natoli, T ; Nibarger, J P ; Niemack, M D ; Novosad, V ; Padin, S ; Pryke, C ; Reichardt, C L ; Ruhl, J E ; Saliwanchik, B R ; Sayre, J T ; Schaffer, K K ; Shirokoff, E ; Story, K ; Tucker, C ; Vanderlinde, K ; Vieira, J D ; Wang, G ; Williamson, R ; Yefremenko, V ; Yoon, K W ; Young, E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a511-a94520ce454f80b36194dc4c6bd036ad4d385306d0a62a86e5786a77ca48b6d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Anisotropy</topic><topic>Balances (scales)</topic><topic>Big Bang theory</topic><topic>Bolometers</topic><topic>Cosmic microwave background</topic><topic>Detectors</topic><topic>Focal plane</topic><topic>Gravitational lenses</topic><topic>Large scale structure of the 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D</creatorcontrib><creatorcontrib>Wang, G</creatorcontrib><creatorcontrib>Williamson, R</creatorcontrib><creatorcontrib>Yefremenko, V</creatorcontrib><creatorcontrib>Yoon, K W</creatorcontrib><creatorcontrib>Young, E</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Proquest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>George, E M</au><au>Ade, P</au><au>Aird, K A</au><au>Austermann, J E</au><au>Beall, J A</au><au>Becker, D</au><au>Bender, A</au><au>Benson, B A</au><au>Bleem, L E</au><au>Britton, J</au><au>Carlstrom, J E</au><au>Chang, C L</au><au>Chiang, H C</au><au>H-M, Cho</au><au>Crawford, T M</au><au>Crites, A T</au><au>Datesman, A</au><au>de Haan, T</au><au>Dobbs, M A</au><au>Everett, W</au><au>Ewall-Wice, A</au><au>Halverson, N W</au><au>Harrington, N</au><au>Henning, J W</au><au>Hilton, G C</au><au>Holzapfel, W L</au><au>Hoover, S</au><au>Huang, N</au><au>Hubmayr, J</au><au>Irwin, K D</au><au>Karfunkle, M</au><au>Keisler, R</au><au>Kennedy, J</au><au>Lee, A T</au><au>Leitch, E</au><au>D Li</au><au>Lueker, M</au><au>Marrone, D P</au><au>McMahon, J J</au><au>Mehl, J</au><au>Meyer, S S</au><au>Montgomery, J</au><au>Montroy, T E</au><au>Nagy, J</au><au>Natoli, T</au><au>Nibarger, J P</au><au>Niemack, M D</au><au>Novosad, V</au><au>Padin, S</au><au>Pryke, C</au><au>Reichardt, C L</au><au>Ruhl, J E</au><au>Saliwanchik, B R</au><au>Sayre, J T</au><au>Schaffer, K K</au><au>Shirokoff, E</au><au>Story, K</au><au>Tucker, C</au><au>Vanderlinde, K</au><au>Vieira, J D</au><au>Wang, G</au><au>Williamson, R</au><au>Yefremenko, V</au><au>Yoon, K W</au><au>Young, E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance and on-sky optical characterization of the SPTpol instrument</atitle><jtitle>arXiv.org</jtitle><date>2012-10-17</date><risdate>2012</risdate><eissn>2331-8422</eissn><abstract>In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwave background (CMB). Measurements of the polarization of the CMB at small angular scales (~several arcminutes) can detect the gravitational lensing of the CMB by large scale structure and constrain the sum of the neutrino masses. At large angular scales (~few degrees) CMB measurements can constrain the energy scale of Inflation. SPTpol is a two-color mm-wave camera that consists of 180 polarimeters at 90 GHz and 588 polarimeters at 150 GHz, with each polarimeter consisting of a dual transition edge sensor (TES) bolometers. The full complement of 150 GHz detectors consists of 7 arrays of 84 ortho-mode transducers (OMTs) that are stripline coupled to two TES detectors per OMT, developed by the TRUCE collaboration and fabricated at NIST. Each 90 GHz pixel consists of two antenna-coupled absorbers coupled to two TES detectors, developed with Argonne National Labs. The 1536 total detectors are read out with digital frequency-domain multiplexing (DfMUX). The SPTpol deployment represents the first on-sky tests of both of these detector technologies, and is one of the first deployed instruments using DfMUX readout technology. We present the details of the design, commissioning, deployment, on-sky optical characterization and detector performance of the complete SPTpol focal plane.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1210.4971</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2012-10 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_1210_4971 |
| source | arXiv.org; Free E- Journals |
| subjects | Anisotropy Balances (scales) Big Bang theory Bolometers Cosmic microwave background Detectors Focal plane Gravitational lenses Large scale structure of the universe Millimeter waves Multiplexing Neutrinos Optical properties Physics - Instrumentation and Methods for Astrophysics Polarimeters Polarization Sensors South Pole Transducers |
| title | Performance and on-sky optical characterization of the SPTpol instrument |
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