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13 December 2020 Antenna-coupled thermal kinetic inductance detectors for ground-based millimeter-wave cosmology
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Abstract
We present our design for antenna-coupled thermal kinetic inductance detectors (TKIDs) designed for Cosmic Microwave Background (CMB) observations in the 150 GHz band. The next generation of telescopes studying the CMB will require large arrays of detectors on cryogenic focal planes to achieve high sensitivity at the cost of increased integration and readout complexity. TKIDs have demonstrated photon-limited noise performance comparable to traditional bolometers with a radiofrequency (RF) multiplexing architecture that enables the large detector counts needed. We characterize TKIDs fabricated for observing the CMB in a frequency band centered at 150 GHz and discuss the optical performance. These devices are a critical step towards fielding a Keck Array camera with 512 devices on the focal plane at the South Pole.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Albert K. Wandui, James J. Bock, Clifford Frez, Jon Hunacek, Lorenzo Minutolo, Hien Nguyen, Bryan Steinbach, Anthony Turner, Jonas Zmuidzinas, and Roger O'Brient "Antenna-coupled thermal kinetic inductance detectors for ground-based millimeter-wave cosmology", Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114531E (13 December 2020); https://doi.org/10.1117/12.2563373
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