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. MeyerM. 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

9 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 - Dec 1 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
CountryUnited States
CityStanford, CA
Period7/20/097/24/09

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Keywords

  • Cmb
  • Cosmology
  • Polarimeter

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    Bleem, L. E., Appel, J. W., Austermann, J. E., Beall, J. A., Becker, D. T., Benson, B. A., Britton, J., Carlstrom, J. E., Chang, C. L., Cho, H. M., Crites, A. T., Essinger-Hileman, T., Everett, W., Halverson, N. W., Henning, J. W., Hilton, G. C., Irwin, K. D., McMahon, J., Mehl, J., ... Zhao, Y. (2009). Optical properties of feedhorn-coupled TES polarimeters for CMB polarimetry. In Low Temperature Detectors LTD-13 - Proceedings of the 13th International Workshop (pp. 479-482). (AIP Conference Proceedings; Vol. 1185). https://doi.org/10.1063/1.3292382