Abstract
The design of the scintillating-fiber detector is described, and the first results obtained in recording the target image in a 14-MeV neutron beam at the ISKRA-5 facility are presented. The scintillating-fiber position-sensitive detector has been designed for diagnosing laser fusion processes by recording the spatial distribution of thermonuclear neutrons escaping from the target. Position-sensitive detection is effected by conversion of neutron radiation into light in a scintillating fiber array. Discrimination of neutrons from γ rays by their time of flight and image intensification are performed with the aid of a frame camera. Images are recorded by a CCD camera. A technique for recording penumbra images is used for imaging at low neutron yields (3 × 108−1011).
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Original Russian Text © A.E. Zakharov, N.G. Ignat’ev, P.S. Krapiva, N.V. Zhidkov, A.V. Bessarab, N.A. Suslov, 2010, published in Pribory i Tekhnika Eksperimenta, 2010, No. 2, pp. 5–8.
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Zakharov, A.E., Ignat’ev, N.G., Krapiva, P.S. et al. First results of use of a scintillating-fiber position-sensitive detector for recording the target image in a 14-MeV neuron beam at the ISKRA-5 facility. Instrum Exp Tech 53, 161–164 (2010). https://doi.org/10.1134/S0020441210020016
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DOI: https://doi.org/10.1134/S0020441210020016