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Antenna-coupled TES bolometer arrays for CMB polarimetry

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arxiv 0908.1464 v1 pith:FZAFNKHF submitted 2009-08-11 astro-ph.IM astro-ph.CO

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

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 21 citations worldwide. Full citation record

  1. Detectors for CLASS-W2: The second 90 GHz telescope of the Cosmology Large Angular Scale Surveyor

    astro-ph.IM 2026-06 accept novelty 3.0 of 10

    A new 296-detector 90 GHz TES bolometer array for CLASS achieves uniform properties, 16 μK√s NET, 0.37 optical efficiency, and a 41% mapping speed boost after addressing blue-leak radiation.

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