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Proceedings Paper

Design, fabrication, and testing of lumped element kinetic inductance detectors for 3 mm CMB Observations
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Paper Abstract

Kinetic inductance detectors (KIDs) are a promising technology for low-noise, highly-multiplexible mm- and submm-wave detection. KIDs have a number of advantages over other detector technologies, which make them an appealing option in the cosmic microwave background B-mode anisotropy search, including passive frequency domain multiplexing and relatively simple fabrication, but have suffered from challenges associated with noise control. Here we describe design and fabrication of a 20-pixel prototype array of lumped element molybdenum KIDs. We show Q, frequency and temperature measurements from the array under dark conditions. We also present evidence for a double superconducting gap in molybdenum.

Paper Details

Date Published: 23 July 2014
PDF: 7 pages
Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91532R (23 July 2014); doi: 10.1117/12.2057102
Show Author Affiliations
Amy E. Lowitz, Univ. of Wisconsin-Madison (United States)
Ari-David Brown, NASA Goddard Space Flight Ctr. (United States)
Thomas R. Stevenson, NASA Goddard Space Flight Ctr. (United States)
Peter T. Timbie, Univ. of Wisconsin-Madison (United States)
Edward J. Wollack, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9153:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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