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Handheld dual thermal neutron detector and gamma-ray spectrometer

United States Patent

9,638,809
May 2, 2017
View the Complete Patent at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
LISe Crystals
A combined thermal neutron detector and gamma-ray spectrometer system, including: a first detection medium including a lithium chalcopyrite crystal operable for detecting neutrons; a gamma ray shielding material disposed adjacent to the first detection medium; a second detection medium including one of a doped metal halide, an elpasolite, and a high Z semiconductor scintillator crystal operable for detecting gamma rays; a neutron shielding material disposed adjacent to the second detection medium; and a photodetector coupled to the second detection medium also operable for detecting the gamma rays; wherein the first detection medium and the second detection medium do not overlap in an orthogonal plane to a radiation flux. Optionally, the first detection medium includes a .sup.6LiInSe.sub.2 crystal. Optionally, the second detection medium includes a SrI.sub.2(Eu) scintillation crystal.
Stowe; Ashley C. (Knoxville, TN), Burger; Arnold (Nashville, TN), Bhattacharya; Pijush (Nashville, TN), Tupitsyn; Yevgeniy (Nashville, TN)
Consolidated Nuclear Security, LLC (Oak Ridge, TN), Fisk University (Nashville, TN)
14/ 453,768
20170090045
August 7, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has rights to the present disclosure pursuant to Contract No. AC05-00OR22800 between the U.S. Department of Energy and Babcock and Wilcox Technical Services Y-12, LLC.