8 December 2003 Development of superconducting transition edge sensors for time- and energy-resolved single-photon counters with application to imaging astronomy
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Abstract
Transition Edge Sensor (TES) quantum microcalorimeters can provide intrinsic arrival time and energy resolved measurements of individual photons over a large energy range centered on the optical band. Our TESs consist of thin-film superconduting tungsten pixels on a silicon substrate. The pixels are voltage-biased to remain in the sharp superconducting transition region through negative electrothermal feedback. We report progress on our first imaging TES array of 32 pixels. We describe the experimental apparatus, summarize recent progress, characterize detector performance and outline the future path of TES development.
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Thomas J. Bay, Jennifer A. Burney, Paul L. Brink, Blas Cabrera, Joseph P. Castle, Roger W. Romani, Astrid Tomada, Betty A. Young, Sae Woo Nam, Aaron J. Miller, John M. Martinis, Thomas W. Kenny, Evelyn Wang, "Development of superconducting transition edge sensors for time- and energy-resolved single-photon counters with application to imaging astronomy", Proc. SPIE 5209, Materials for Infrared Detectors III, (8 December 2003); doi: 10.1117/12.532062; https://doi.org/10.1117/12.532062
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