Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER
We describe 280 GHz bolometric detector arrays that instrument the balloon-borne polarimeter spider. A primary science goal of spider is to measure the large-scale B-mode polarization of the cosmic microwave background (cmb) in search of the cosmic-inflation, gravitational-wave signature. 280 GHz ch...
Published in: | SPIE Proceedings, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII |
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ftcaltechauth:oai:authors.library.caltech.edu:e3ty1-71x71 2024-06-23T07:47:45+00:00 Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER Hubmayr, Johannes Moncelsi, Lorenzo Holland, Wayne S. Zmuidzinas, Jonas 2016-07-19 https://doi.org/10.1117/12.2231896 unknown Society of Photo-Optical Instrumentation Engineers (SPIE) https://arxiv.org/abs/1606.09396 https://doi.org/10.1117/12.2231896 oai:authors.library.caltech.edu:e3ty1-71x71 eprintid:72022 resolverid:CaltechAUTHORS:20161115-091006202 info:eu-repo/semantics/openAccess Other Conference on Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, Edinburgh, Scotland, June 28-July 1, 2016 CMB polarimetry TES bolometer feedhorn info:eu-repo/semantics/bookPart 2016 ftcaltechauth https://doi.org/10.1117/12.2231896 2024-06-12T05:04:53Z We describe 280 GHz bolometric detector arrays that instrument the balloon-borne polarimeter spider. A primary science goal of spider is to measure the large-scale B-mode polarization of the cosmic microwave background (cmb) in search of the cosmic-inflation, gravitational-wave signature. 280 GHz channels aid this science goal by constraining the level of B-mode contamination from galactic dust emission. We present the focal plane unit design, which consists of a 16x16 array of conical, corrugated feedhorns coupled to a monolithic detector array fabricated on a 150 mm diameter silicon wafer. Detector arrays are capable of polarimetric sensing via waveguide probe-coupling to a multiplexed array of transition-edge-sensor (TES) bolometers. The spider receiver has three focal plane units at 280 GHz, which in total contains 765 spatial pixels and 1,530 polarization sensitive bolometers. By fabrication and measurement of single feedhorns, we demonstrate 14.7° FHWM Gaussian-shaped beams with <1% ellipticity in a 30% fractional bandwidth centered at 280 GHz. We present electromagnetic simulations of the detection circuit, which show 94% band-averaged, single-polarization coupling efficiency, 3% reflection and 3% radiative loss. Lastly, we demonstrate a low thermal conductance bolometer, which is well-described by a simple TES model and exhibits an electrical noise equivalent power (NEP) = 2.6 x 10^(-17) W/√Hz, consistent with the phonon noise prediction. © 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). Contribution of NIST not subject to copyright. The spider project is supported by NASA under APRA grant NNX12AE95G, issued through the Science Mission Directorate, by the NSF through the award PLR-1043515, and by the David and Lucile Packard Foundation. Logistical support for the Antarctic deployment and operations was provided by the NSF through the U.S. Antarctic Program. We performed our 3D electromagnetic simulations on the Baker-Jarvis Cluster and supporting infrastructure in the ... Book Part Antarc* Antarctic Caltech Authors (California Institute of Technology) Antarctic The Antarctic The Baker ENVELOPE(-54.765,-54.765,49.667,49.667) SPIE Proceedings, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII 9914 99140V |
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Open Polar |
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Caltech Authors (California Institute of Technology) |
op_collection_id |
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topic |
CMB polarimetry TES bolometer feedhorn |
spellingShingle |
CMB polarimetry TES bolometer feedhorn Hubmayr, Johannes Moncelsi, Lorenzo Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
topic_facet |
CMB polarimetry TES bolometer feedhorn |
description |
We describe 280 GHz bolometric detector arrays that instrument the balloon-borne polarimeter spider. A primary science goal of spider is to measure the large-scale B-mode polarization of the cosmic microwave background (cmb) in search of the cosmic-inflation, gravitational-wave signature. 280 GHz channels aid this science goal by constraining the level of B-mode contamination from galactic dust emission. We present the focal plane unit design, which consists of a 16x16 array of conical, corrugated feedhorns coupled to a monolithic detector array fabricated on a 150 mm diameter silicon wafer. Detector arrays are capable of polarimetric sensing via waveguide probe-coupling to a multiplexed array of transition-edge-sensor (TES) bolometers. The spider receiver has three focal plane units at 280 GHz, which in total contains 765 spatial pixels and 1,530 polarization sensitive bolometers. By fabrication and measurement of single feedhorns, we demonstrate 14.7° FHWM Gaussian-shaped beams with <1% ellipticity in a 30% fractional bandwidth centered at 280 GHz. We present electromagnetic simulations of the detection circuit, which show 94% band-averaged, single-polarization coupling efficiency, 3% reflection and 3% radiative loss. Lastly, we demonstrate a low thermal conductance bolometer, which is well-described by a simple TES model and exhibits an electrical noise equivalent power (NEP) = 2.6 x 10^(-17) W/√Hz, consistent with the phonon noise prediction. © 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). Contribution of NIST not subject to copyright. The spider project is supported by NASA under APRA grant NNX12AE95G, issued through the Science Mission Directorate, by the NSF through the award PLR-1043515, and by the David and Lucile Packard Foundation. Logistical support for the Antarctic deployment and operations was provided by the NSF through the U.S. Antarctic Program. We performed our 3D electromagnetic simulations on the Baker-Jarvis Cluster and supporting infrastructure in the ... |
author2 |
Holland, Wayne S. Zmuidzinas, Jonas |
format |
Book Part |
author |
Hubmayr, Johannes Moncelsi, Lorenzo |
author_facet |
Hubmayr, Johannes Moncelsi, Lorenzo |
author_sort |
Hubmayr, Johannes |
title |
Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
title_short |
Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
title_full |
Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
title_fullStr |
Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
title_full_unstemmed |
Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER |
title_sort |
design of 280 ghz feedhorn-coupled tes arrays for the balloon-borne polarimeter spider |
publisher |
Society of Photo-Optical Instrumentation Engineers (SPIE) |
publishDate |
2016 |
url |
https://doi.org/10.1117/12.2231896 |
long_lat |
ENVELOPE(-54.765,-54.765,49.667,49.667) |
geographic |
Antarctic The Antarctic The Baker |
geographic_facet |
Antarctic The Antarctic The Baker |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Conference on Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, Edinburgh, Scotland, June 28-July 1, 2016 |
op_relation |
https://arxiv.org/abs/1606.09396 https://doi.org/10.1117/12.2231896 oai:authors.library.caltech.edu:e3ty1-71x71 eprintid:72022 resolverid:CaltechAUTHORS:20161115-091006202 |
op_rights |
info:eu-repo/semantics/openAccess Other |
op_doi |
https://doi.org/10.1117/12.2231896 |
container_title |
SPIE Proceedings, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII |
container_volume |
9914 |
container_start_page |
99140V |
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1802637902415396864 |