Gamma-Ray Spectrometers Using Superconducting Transition Edge Sensors with External Active Feedback Bias

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The authors are developing x-ray and gamma-ray spectrometers with high absorption efficiency and high energy-resolution for x-ray and gamma-ray spectroscopy. They are microcalorimeters consisting of a bulk Sn absorber coupled to a Mo/Cu multilayer superconducting transition edge sensor (TES). The authors have measured an energy resolution of 70 eV FWHM for 60 keV incident gamma-rays using electrothermal feedback. They have also operated these microcalorimeters with an external active feedback bias to linearize the detector response, improve the count rate performance, and extend the detection energy range. They present x-ray and gamma-ray results operation of this detector design in both bias ... continued below

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342 Kilobytes pages

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Chow, D.T.; van den Berg, M.L.; Loshak, A.; Frank, M.; Barbee, T.W. & Labov, S.E. September 22, 2000.

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The authors are developing x-ray and gamma-ray spectrometers with high absorption efficiency and high energy-resolution for x-ray and gamma-ray spectroscopy. They are microcalorimeters consisting of a bulk Sn absorber coupled to a Mo/Cu multilayer superconducting transition edge sensor (TES). The authors have measured an energy resolution of 70 eV FWHM for 60 keV incident gamma-rays using electrothermal feedback. They have also operated these microcalorimeters with an external active feedback bias to linearize the detector response, improve the count rate performance, and extend the detection energy range. They present x-ray and gamma-ray results operation of this detector design in both bias modes.

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342 Kilobytes pages

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  • Applied Superconductivity Conference 2000, Virginia Beach, VA (US), 09/17/2000--09/22/2000

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  • Report No.: UCRL-JC-137822
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 793951
  • Archival Resource Key: ark:/67531/metadc742166

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  • September 22, 2000

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  • Oct. 19, 2015, 7:39 p.m.

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  • May 6, 2016, 3:55 p.m.

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Chow, D.T.; van den Berg, M.L.; Loshak, A.; Frank, M.; Barbee, T.W. & Labov, S.E. Gamma-Ray Spectrometers Using Superconducting Transition Edge Sensors with External Active Feedback Bias, article, September 22, 2000; California. (digital.library.unt.edu/ark:/67531/metadc742166/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.