Antenna-coupled TES bolometer arrays for CMB polarimetry

C. L. Kuo; J. J. Bock; J. A. Bonetti; J. Brevik; G. Chattopadhyay; P. K. Day; S. Golwala; M. Kenyon; A. E. Lange; H. G. LeDuc; H. Nguyen; R. W. Ogburn; A. Orlando; A. Transgrud; A. Turner; G. Wang; J. Zmuidzinas

doi:10.1117/12.788588

19 July 2008 Antenna-coupled TES bolometer arrays for CMB polarimetry

C. L. Kuo, J. J. Bock, J. A. Bonetti, J. Brevik, G. Chattopadhyay, P. K. Day, S. Golwala, M. Kenyon, A. E. Lange, H. G. LeDuc, H. Nguyen, R. W. Ogburn, A. Orlando, A. Transgrud, A. Turner, G. Wang, J. Zmuidzinas

Author Affiliations +

Proceedings Volume 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV; 70201I (2008) https://doi.org/10.1117/12.788588
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We describe the design and performance of polarization selective antenna-coupled TES arrays that will be used in several upcoming Cosmic Microwave Background (CMB) experiments: SPIDER, BICEP-2/SPUD. The fully lithographic polarimeter arrays utilize planar phased-antennas for collimation (F/4 beam) and microstrip filters for band definition (25% bandwidth). These devices demonstrate high optical efficiency, excellent beam shapes, and well-defined spectral bands. The dual-polarization antennas provide well-matched beams and low cross polarization response, both important for high-fidelity polarization measurements. These devices have so far been developed for the 100 GHz and 150 GHz bands, two premier millimeter-wave atmospheric windows for CMB observations. In the near future, the flexible microstrip-coupled architecture can provide photon noise-limited detection for the entire frequency range of the CMBPOL mission. This paper is a summary of the progress we have made since the 2006 SPIE meeting in Orlando, FL.

Citation Download Citation

C. L. Kuo, J. J. Bock, J. A. Bonetti, J. Brevik, G. Chattopadhyay, P. K. Day, S. Golwala, M. Kenyon, A. E. Lange, H. G. LeDuc, H. Nguyen, R. W. Ogburn, A. Orlando, A. Transgrud, A. Turner, G. Wang, and J. Zmuidzinas "Antenna-coupled TES bolometer arrays for CMB polarimetry", Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 70201I (19 July 2008); https://doi.org/10.1117/12.788588

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