Preamplifier development for superconducting tunnel junction array X-ray detector electronics

  • W. K. Warburton
  • , J. Harris
  • , M. Carpenter
  • , L. Fabris
  • , S. Friedrich

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    We have developed a very low noise preamplifier that meets the low-cost, high-density requirements for use with superconducting tunnel junction (STJ) arrays. The design allows the STJs' bias points to be digitally set at the V level. We then trace out noise versus bias curves under computer control and, by showing the correlation between this noise and detector energy resolution, establish the ability to automatically select optimum STJ operating points. Working with a 75 μm × 75 μm STJ with a Ta x-ray absorber, we achieved better than 7 eV FWHM at the 525 eV O-K line with about 2 eV coming from the preamplifier.

    Original languageEnglish
    Title of host publicationIEEE Nuclear Science Symposuim and Medical Imaging Conference, NSS/MIC 2010
    Pages742-748
    Number of pages7
    DOIs
    StatePublished - 2010
    Event2010 IEEE Nuclear Science Symposium, Medical Imaging Conference, NSS/MIC 2010 and 17th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors, RTSD 2010 - Knoxville, TN, United States
    Duration: Oct 30 2010Nov 6 2010

    Publication series

    NameIEEE Nuclear Science Symposium Conference Record
    ISSN (Print)1095-7863

    Conference

    Conference2010 IEEE Nuclear Science Symposium, Medical Imaging Conference, NSS/MIC 2010 and 17th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors, RTSD 2010
    Country/TerritoryUnited States
    CityKnoxville, TN
    Period10/30/1011/6/10

    Fingerprint

    Dive into the research topics of 'Preamplifier development for superconducting tunnel junction array X-ray detector electronics'. Together they form a unique fingerprint.

    Cite this