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Antenna-coupled Bolometer Arrays for measurement of the Cosmic Microwave Background Polarization

Myers, M. J., Arnold, K., Ade, Peter A. R., Engargiola, G., Holzapfel, W., Lee, A. T., Meng, X., O'Brient, R., Richards, P. L., Spieler, H. and Tran, H. T. 2008. Antenna-coupled Bolometer Arrays for measurement of the Cosmic Microwave Background Polarization. Journal of Low Temperature Physics 151 (1-2) , pp. 464-470. 10.1007/s10909-007-9678-1

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Abstract

We are building antenna-coupled Transition Edge Sensor bolometer arrays to measure the polarization of the cosmic microwave background. 217 GHz prototype pixels have previously been characterized and showed promising performance (Myers et al. in Appl. Phys. Lett. 86:114103, [2005]). Our design uses a double slot dipole antenna and an integrated microstrip band defining filter. New devices have been tested which include on-chip test structures to improve our understanding of detector performance and guide future development. In parallel with this, large arrays of bolometers based on the prototype pixel design have also been constructed. The array pixels are a heterogeneous mixture of single band pixels at 90 GHz, 150 GHz, and 220 GHz and now incorporate dual-polarization antennas (Chattopadhyay and Zmuidzinas in IEEE Trans. Antennas Propag. 46:736, [1998]). Preliminary results from optical testing of array pixels are presented. These bolometer arrays will be used in the upcoming CMB polarization experiment Polarbear.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Uncontrolled Keywords: Bolometer; Antenna-coupled; CMB; Polarization
Publisher: SpringerLink
ISSN: 0022-2291
Last Modified: 04 Jun 2017 04:11
URI: http://orca.cf.ac.uk/id/eprint/34375

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