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Proceedings Paper

Conceptual design of a high-frame-rate fast neutron radiography detector
Author(s): Fa-qiang Zhang; Zheng-hong Li; Jian-lun Yang; Cun Guo; Hong-qiong Yang; Fan Ye; Zhen Wang; Chun-tong Ying; Guang-jun Liu
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Paper Abstract

Fast neutron radiography offers means to inspect thick hydrogenous materials because of high penetration depth of fast neutrons. Further more, quasi monoenergetic neutrons is relatively easy to obtain by neutron generators and it is helpful for density inversion of targets, which has many difficulties in flash radiography. In order to investigate dynamic processes, an intense repetitive pulsed neutron source will be used. Efficient detection of fast neutrons is one of the hardest problems for fast neutron imaging detectors. In the system, a scintillating fiber array is employed to obtain a detection efficiency of about 20% for DT neutrons. High-performance ICCDs and large aperture lens are taken into account to increase the conversion efficiency and the collective efficiency. The properties of the detector are charaterized in this paper.

Paper Details

Date Published: 11 January 2007
PDF: 6 pages
Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 627912 (11 January 2007); doi: 10.1117/12.725151
Show Author Affiliations
Fa-qiang Zhang, Tsinghua Univ. (China)
Institute of Nuclear Physics and Chemistry (China)
Zheng-hong Li, Institute of Nuclear Physics and Chemistry (China)
Jian-lun Yang, Institute of Nuclear Physics and Chemistry (China)
Cun Guo, Institute of Nuclear Physics and Chemistry (China)
Hong-qiong Yang, Institute of Nuclear Physics and Chemistry (China)
Fan Ye, Tsinghua Univ. (China)
Institute of Nuclear Physics and Chemistry (China)
Zhen Wang, Tsinghua Univ. (China)
Institute of Nuclear Physics and Chemistry (China)
Chun-tong Ying, Tsinghua Univ. (China)
Guang-jun Liu, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6279:
27th International Congress on High-Speed Photography and Photonics

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