Gamma-ray camera for arms control applications

James F. Morgan; Georgi Ignatyev; Dimitry Semenov; Mikhail Chernov

doi:10.1117/12.363686

1 October 1999 Gamma-ray camera for arms control applications

James F. Morgan, Georgi Ignatyev, Dimitry Semenov, Mikhail Chernov

Proceedings Volume 3769, Penetrating Radiation Systems and Applications; (1999) https://doi.org/10.1117/12.363686
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The Research Institute of Pulse Techniques, in collaboration with the Proliferation Prevention and Arms Control Program at Lawrence Livermore National Laboratory, has constructed a gamma-ray camera for use in arms control agreements such as Mutual Reciprocal Inspections and Warhead Dismantlement Transparency. The camera is designed to have high efficiency (in order to reduce inspection times), moderate resolution (to decrease the intrusiveness of the measurements), and sturdy construction (to allow operation in the types of conditions that might be met during shipment and use at various forward weapons sites). The imaging element consists of a honeycomb or soda-straw lead collimator and a 312-mm- diameter Nal(Tl) scintillator viewed by an array of phototubes. Software was developed to display 2- and 3-D views of the data and to analyze shape and peak areas. The first model was tuned for plutonium radiation in the 375- to 415-keV energy range. Images from various arrays of point sources were obtained and will be presented.

Citation Download Citation

James F. Morgan, Georgi Ignatyev, Dimitry Semenov, and Mikhail Chernov "Gamma-ray camera for arms control applications", Proc. SPIE 3769, Penetrating Radiation Systems and Applications, (1 October 1999); https://doi.org/10.1117/12.363686

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