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2020/05/29 DARPA Selects Teams for Work on Tunable Gamma Ray Inspection Technology

2020/05/29 DARPA Selects Teams for Work on Tunable Gamma Ray Inspection Technology

Two California companies were selected for DARPA’s Gamma Ray Inspection Technology (GRIT) program and have begun work to develop a transportable, tunable source of gamma rays for a host of national security, industrial, and medical applications.

Lumitron Technologies and RadiaBeam Technologies started work on the GRIT program in April and are exploring novel approaches to achieve high-intensity, tunable, and narrow-bandwidth sources of gamma ray radiation in a compact, transportable form factor.

GRIT aims to provide a source of tunable, pure x-rays and gamma rays from tens of keV (kilo-electron volts) up through three MeV (mega-electron volts). Currently, tunable and narrow bandwidth gamma ray sources only exist at highly specialized user facilities best suited for basic research and are not able to support broad practical applications. Shrinking these photon sources to a transportable system is the major goal and challenge of the GRIT program.

“If we can develop a transportable system that could be moved to the point of need on a flatbed semi-trailer or rail car, for example, it could transform nondestructive inspection in many areas of interest, such as radiography of critical-use, high-value aircraft or machine parts, or inspection of cargo for contraband,” said Mark Wrobel, program manager for GRIT in DARPA’s Defense Sciences Office. “A transportable, tunable gamma ray source could also be useful in mining to identify rare-earth elements in ores or for advanced medical diagnostics to provide more detailed information than is possible with existing X-ray technology.”

Phase 1 is 24 months. Depending on whether the performers meet threshold metrics at the end of Phase 1, DARPA will decide if the program progresses to Phase 2.

 

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Media with inquiries should contact DARPA Public Affairs at outreach@darpa.mil

 

Associated images posted on www.darpa.mil and video posted at www.youtube.com/darpatv may be reused according to the terms of the DARPA User Agreement, available here: http://go.usa.gov/cuTXR.

 

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