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Proceedings Paper

Antenna-coupled TES bolometer arrays for CMB polarimetry
Author(s): 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
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Paper 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.

Paper Details

Date Published: 19 July 2008
PDF: 14 pages
Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 70201I (19 July 2008); doi: 10.1117/12.788588
Show Author Affiliations
C. L. Kuo, Stanford Univ. (United States)
Stanford Linear Accelerator Ctr. (United States)
California Institute of Technology (United States)
J. J. Bock, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
J. A. Bonetti, Jet Propulsion Lab. (United States)
J. Brevik, California Institute of Technology (United States)
G. Chattopadhyay, Jet Propulsion Lab. (United States)
P. K. Day, Jet Propulsion Lab. (United States)
S. Golwala, California Institute of Technology (United States)
M. Kenyon, Jet Propulsion Lab. (United States)
A. E. Lange, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
H. G. LeDuc, Jet Propulsion Lab. (United States)
H. Nguyen, Jet Propulsion Lab. (United States)
R. W. Ogburn, California Institute of Technology (United States)
A. Orlando, California Institute of Technology (United States)
A. Transgrud, California Institute of Technology (United States)
A. Turner, Jet Propulsion Lab. (United States)
G. Wang, California Institute of Technology (United States)
Argonne National Lab. (United States)
J. Zmuidzinas, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 7020:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV
William D. Duncan; Wayne S. Holland; Stafford Withington; Jonas Zmuidzinas, Editor(s)

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