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Radiation detector based on a matrix of crossed wavelength-shifting fibers

United States Patent

9,618,630
April 11, 2017
View the Complete Patent at the US Patent & Trademark Office
Thomas Jefferson National Accelerator Facility - Visit the Technology Review Committee Website
A radiation detection system comprising a detection grid of wavelength shifting fibers with a volume of scintillating material at the intersecting points of the fibers. Light detectors, preferably Silicon Photomultipliers, are positioned at the ends of the fibers. The position of radiation is determined from data obtained from the detection grid. The system is easily scalable, customizable, and also suitable for use in soil and underground applications. An alternate embodiment employs a fiber grid sheet or layer which is comprised of multiple fibers secured to one another within the same plane. This embodiment further includes shielding in order to prevent radiation cross-talk within the grid layer.
Kross; Brian J. (Yorktown, VA), Weisenberger; Andrew (Yorktown, VA), Zorn; Carl (Yorktown, VA), Xi; Wenze (Odenton, MD)
JEFFERSON SCIENCE ASSOCIATES, LLC (Newport News, VA)
15/ 008,499
January 28, 2016
The United States Government may have certain rights to this invention under Management and Operating Contract No. DE-AC05-06OR23177 from the Department of Energy.