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CCD soft-X-ray detectors with improved high- and low-energy performance

  • B. E. Burke
  • , J. A. Gregory
  • , A. H. Loomis
  • , M. Lesser
  • , M. W. Bautz
  • , S. E. Kissel
  • , D. D. Rathman
  • , R. M. Osgood
  • , M. J. Cooper
  • , T. A. Lind
  • , G. R. Ricker

Research output: Contribution to journalArticlepeer-review

Abstract

We describe results from recent enhancements to the performance of charge-coupled devices (CCDs) to both low- and high-energy soft X-rays. For improved low-energy (E < 500 eV) sensitivity, we show that a low-temperature surface treatment on back-illuminated devices results in superior energy resolution compared to that of the devices flown on Chandra, which had a more process-intensive, high-temperature treatment. For improved high-energy response, we describe a design approach for MOS CCDs that allows high substrate biases for deep depletion (up to 160 μm) and, thus, improved X-ray detection for E > 5 keV.

Original languageEnglish (US)
Pages (from-to)2322-2327
Number of pages6
JournalIEEE Transactions on Nuclear Science
Volume51
Issue number5 I
DOIs
StatePublished - Oct 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

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