23 July 2014 Design, fabrication, and testing of lumped element kinetic inductance detectors for 3 mm CMB Observations
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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.
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Amy E. Lowitz, Amy E. Lowitz, Ari-David Brown, Ari-David Brown, Thomas R. Stevenson, Thomas R. Stevenson, Peter T. Timbie, Peter T. Timbie, Edward J. Wollack, Edward J. Wollack, "Design, fabrication, and testing of lumped element kinetic inductance detectors for 3 mm CMB Observations", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91532R (23 July 2014); doi: 10.1117/12.2057102; https://doi.org/10.1117/12.2057102
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