Wireless Low Power Radiation Sensor for Unattended Ground Sensor Arrays

Report No. ARL-TR-6101
Authors: Marc Litz, Dimos Katsis, Dave Burns, Johnny Russo, James Brent, and Elizabeth Santangelo
Date/Pages: August 2012; 24 pages
Abstract: We have designed and developed a compact, wireless-networked radiation sensor array. The sensor system provides high sensitivity gamma photon detection and remote warning for a broad range of radioactive materials. This sensor identifies the presence of a 1μCi Cs137 source at a distance of 1.5 m. The networked array of sensors presently operates as a facility sensor tracking the movement of radioactive laboratory check-sources. Our goal has been to apply this architecture for field-security applications by incorporating low-power design with compact packaging. The performance of this radiation measurement network is demonstrated for both detection and location of radioactive material.
Distribution: Approved for public release
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Last Update / Reviewed: August 1, 2012