The EBEX cryostat and supporting electronics

Ilan Sagiv, Asad M. Aboobaker, Chaoyun Bao, Shaul Hanany, Terry Jones, Jeffrey Klein, Michael Milligan, Daniel E. Polsgrove, Kate Raach, Kyle Zilic, Andrei Korotkov, Gregory S. Tucker, Yury Vinokurov, Tomotake Matsumura, Peter Ade, Will Grainger, Enzo Pascale, Daniel Chapman, Joy Didier, Seth HillbrandBritt Reichborn-Kjennerud, Michele Limon, Amber Miller, Andrew Jaffe, Amit Yadav, Matias Zaldarriaga, Nicolas Ponthieu, Matthieu Tristram, Julian Borrill, Christopher Cantalupo, Ted Kisner, François Aubin, Matt Dobbs, Kevin Macdermid, Gene Hilton, Johannes Hubmayr, Kent Irwin, Carl Reintsema, Carlo Baccigalupi, Sam Leach, Bradley Johnson, Adrian Lee, Huan Tran, Lorne Levinson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

We describe the cryostat and supporting electronics for the EBEX experiment. EBEX is a balloon-borne polarimeter designed to measure the B-mode polarization of the cosmic microwave background radiation. The instrument includes a 1:5 meter Gregorian-type telescope and 1432 bolometric transition edge sensor detectors operating at 0.3 K. Electronics for monitoring temperatures and controlling cryostat refrigerators is read out over CANbus. A timing system ensures the data from all subsystems is accurately synchronized. EBEX completed an engineering test flight in June 2009 during which the cryogenics and supporting electronics performed according to predictions. The temperatures of the cryostat were stable, and an analysis of a subset of the data finds no scan synchronous signal in the cryostat temperatures. Preparations are underway for an Antarctic flight.

Original languageEnglish (US)
Title of host publication12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity
PublisherWorld Scientific Publishing Co. Pte Ltd
Pages2166-2176
Number of pages11
ISBN (Print)9814374512, 9789814374514
DOIs
StatePublished - Jan 1 2012
Event12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009 - Paris, France
Duration: Jul 12 2009Jul 18 2009

Publication series

Name12th Marcel Grossmann Meeting on Recent Dev. in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proc. of the MG 2009 Meeting on General Relativity

Other

Other12th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, MG 2009
CountryFrance
CityParis
Period7/12/097/18/09

Keywords

  • Balloon
  • Cosmic microwave background polarization
  • Cryostat

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