Optical and thermal properties of ANL/KICP polarization sensitive bolometers for SPTpol

Chang, C. L., Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Aird, K., Austermann, J., Beall, J., Becker, D., Benson, B., Bleem, L., Britton, J., Carlstrom, J., Cho, H., Haan, T., Crawford, T., Crites, A., Datesman, A., Dobbs, M., Everett, W., Ewall-Wice, A., George, E., Halverson, N., Harrington, N., Henning, J., Hilton, G., Holzapfel, W., Hoover, S., Hubmayr, J., Irwin, K., Keisler, R., Kennedy, J., Lee, A., Leitch, E., Li, D., Lueker, M., Marrone, D. P., Mcmahon, J., Mehl, J., Meyer, S., Montgomery, J., Montroy, T., Natoli, T., Nibarger, J., Niemack, M., Novosad, V., Padin, S., Pryke, C., Reichardt, C., Ruhl, J., Saliwanchik, B., Sayre, J., Schafer, K., Shirokoff, E., Story, K., Vanderlinde, K., Vieira, J., Wang, G., Williamson, R., Yefremenko, V., Yoon, K. W. and Young, E. 2012. Optical and thermal properties of ANL/KICP polarization sensitive bolometers for SPTpol. Journal of Low Temperature Physics 167 (5-6) , pp. 865-871. 10.1007/s10909-012-0491-0

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Abstract

We present recent optical and thermal characterizations of polarization sensitive mm-wave bolometers fabricated at Argonne National Lab. The devices are designed to measure the polarization of the Cosmic Microwave Background and consist of a Mo/Au TES suspended on SiN with a Pd-Au dipole absorber. The detector performance is excellent with >85% co-polar coupling, <1% cross-polar leakage, 36 GHz optical bandwidth, electrothermal loop gains of approximately 10, and NEP ≃50 aW Hz−1/2.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	Transition edge sensors ; Bolometers ; CMB
Publisher:	SpringerLink
ISSN:	0022-2291
Last Modified:	21 Oct 2022 08:46
URI:	https://orca.cardiff.ac.uk/id/eprint/34352

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