Optical properties of Feedhorn-coupled TES polarimeters for CMB polarimetry

Details Optical properties of Feedhorn-coupled TES polarimeters for CMB polarimetry Optical properties of Feedhorn-coupled TES polarimeters for CMB polarimetry

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1185..479b&link_type=abstract

THE THIRTEENTH INTERNATIONAL WORKSHOP ON LOW TEMPERATURE DETECTORS-LTD13. AIP Conference Proceedings, Volume 1185, pp. 479-482

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3

Cosmology, Squids, Cryogenics, Cosmology, Superconducting Quantum Interference Devices, Cryogenics, Refrigerators, Low-Temperature Detectors, And Other Low-Temperature Equipment

Scientific paper

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.

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