Optical properties of feedhorn-coupled TES polarimeters for CMB polarimetry

  • L. E. Bleem
  • , J. W. Appel
  • , J. E. Austermann
  • , J. A. Beall
  • , D. T. Becker
  • , B. A. Benson
  • , J. Britton
  • , J. E. Carlstrom
  • , C. L. Chang
  • , H. M. Cho
  • , A. T. Crites
  • , T. Essinger-Hileman
  • , W. Everett
  • , N. W. Halverson
  • , J. W. Henning
  • , G. C. Hilton
  • , K. D. Irwin
  • , J. McMahon
  • , J. Mehl
  • , S. S. Meyer
  • M. D. Niemack, L. P. Parker, S. M. Simon, S. T. Staggs, C. Visnjic, K. W. Yoon, Y. Zhao

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

10 Scopus citations

Abstract

We present data characterizing the optical properties of feedhorn-coupled TES polarimeters useful for future CMB measurements. In this detector architecture, TES bolometers are coupled to radiation through superconducting microstrip to a planar ortho-mode transducer inserted into waveguide. Filters in the microstrip define the pass bands for the detectors. We will present measurements of the co-polar optical efficiency, the cross-polar isolation and the detector bandpass and compare these results to expectations from simulations.

Original languageEnglish (US)
Title of host publicationLow Temperature Detectors LTD-13 - Proceedings of the 13th International Workshop
Pages479-482
Number of pages4
DOIs
StatePublished - 2009
Event13th International Workshop on Low Temperature Detectors, LTD-13 - Stanford, CA, United States
Duration: Jul 20 2009Jul 24 2009

Publication series

NameAIP Conference Proceedings
Volume1185
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other13th International Workshop on Low Temperature Detectors, LTD-13
Country/TerritoryUnited States
CityStanford, CA
Period7/20/097/24/09

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

Keywords

  • Cmb
  • Cosmology
  • Polarimeter

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