Compact Gamma Ray Source for On-Site Calibration of Radiation Detectors

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-SC0011219
Agency Tracking Number: 209584
Amount: $150,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2014
Solicitation Year: 2014
Solicitation Topic Code: 39i
Solicitation Number: DE-FOA-0000969
Small Business Information
DULY Research Inc.
1912 MacArthur Street, Rancho Palos Verdes, CA, 90275-1111
DUNS: 330517763
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 David Yu
 (310) 548-7123
Business Contact
 David Yu
Title: Dr.
Phone: (310) 548-7123
Research Institution
This project develops a portable gamma ray source for on-site, high energy calibration of gamma ray and X-ray detectors. Scintillators and high purity germanium (HPeG) detectors are routinely calibrated at low energy using natural radioactive isotopes such as 137Cs (0.662 MeV) and 60Co (1.17, 1.33 MeV). At high energies, however, there is no portable device for calibrating the energy and dose measurements of these detectors. The novel gamma ray source uses neutrons generated from the deuteron fusion reaction. Prompt gamma rays with a known energy spectrum are produced when some of the neutrons are captured in a suitable moderator. The gamma ray source is used to calibrate other gamma ray detectors. In collaboration with the Lawrence Berkeley National Laboratory, DULY Research Inc. will design a compact neutron generator with a yield as high as 108 1010 n/s. A variety of material and shape of the moderator will be chosen to produce prompt gamma rays up to 10 MeV by radiative capture of the neutrons. Commercial Applications and Other Benefits: The gamma ray source with discrete energy levels and known intensities can be used for on-site calibration of different types of radiation detectors, among them are radiation monitors for homeland security use at seaports, airports and other government facilities. Other users include universities, research institutions and astrophysical observatories, as well as industries. The neutron generator as a stand-alone product will also have copious uses such as material science research, interrogation of special nuclear material and neutron radiography.

* information listed above is at the time of submission.

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