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Proceedings Paper

Mercuric iodide photocell technology for room temperature readout of scintillators
Author(s): Warnick J. Kernan; Arnold Burger; Larry A. Franks; Michael Groza
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Paper Abstract

Mercuric iodide (HgI2) is a well known material for the direct detection of gamma rays; however, the largest volume achievable is limited by the thickness of the detector which needs to be a small fraction of the average trapping length for electrons. We are reporting here preliminary results of using HgI2 crystals to fabricate photocells used in the readout of various scintillators. The optical spectral response and efficiency of these photocells were measured and will be reported. Preliminary nuclear response from an HgI2 photocell that was optically matched to a Ce3+:LaBr3 scintillator will also be presented and discussed. Further improvements will be sought by optimizing the transparent contact technology.

Paper Details

Date Published: 21 September 2007
PDF: 8 pages
Proc. SPIE 6706, Hard X-Ray and Gamma-Ray Detector Physics IX, 67060G (21 September 2007); doi: 10.1117/12.739778
Show Author Affiliations
Warnick J. Kernan, National Security Technologies, LLC (United States)
Univ. of Nevada (United States)
Arnold Burger, Fisk Univ. (United States)
Larry A. Franks, Keystone International (United States)
Michael Groza, Fisk Univ. (United States)


Published in SPIE Proceedings Vol. 6706:
Hard X-Ray and Gamma-Ray Detector Physics IX
Ralph B. James; Arnold Burger; Larry A. Franks, Editor(s)

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