Radiation detection in a marine environment

George J. Mauger; Winifred E. Parker; Anthony D. Lavietes; B. B. Bandong; Allen V. Friensehner; R. G. Lanier; Klaus E. Raschke

doi:10.1117/12.363682

1 October 1999 Radiation detection in a marine environment

George J. Mauger, Winifred E. Parker, Anthony D. Lavietes, B. B. Bandong, Allen V. Friensehner, R. G. Lanier, Klaus E. Raschke

Author Affiliations +

Proceedings Volume 3769, Penetrating Radiation Systems and Applications; (1999) https://doi.org/10.1117/12.363682
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

We have performed radiation detection measurements to explore the feasibility of radioisotopic analysis and detection of a neutron source in a marine environment. We determined the maximum range in seawater through which complex (gamma) -ray emitting materials could be accurately assayed for isotopic content. Additionally we used the gamma rays from neutron capture on chlorine to detect a neutron source. Results from our experiments have been used to determine the greatest distance at which the presence of a neutron emitter can be confirmed. The measurements used an electromechanically-cooled high-purity germanium detector system in both laboratory and fielded seawater conditions. The laboratory experiments used a variety of sources in an arrangement where both the source and detector were surrounded by seawater. The field experiments were performed underwater with the detector in a sealed container that was separate from the source.

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George J. Mauger, Winifred E. Parker, Anthony D. Lavietes, B. B. Bandong, Allen V. Friensehner, R. G. Lanier, and Klaus E. Raschke "Radiation detection in a marine environment", Proc. SPIE 3769, Penetrating Radiation Systems and Applications, (1 October 1999); https://doi.org/10.1117/12.363682

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KEYWORDS

Sensors

Gamma radiation

Germanium

Plutonium

Digital signal processing

Oceanography

Environmental sensing

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