Plasma and Fusion Research

Volume 13, 2406018 (2018)

Regular Articles

Development of a Sealed-Type Capillary Plate Gas Detector for Thermal Neutron Imaging
Haruyasu KONDO, Hiroyuki SUGIYAMA, Masahiro HAYASHI, Teruyuki OKADA, Fuyuki TOKANAI1), Ryutaro ITO1), Satoshi ISHIZAWA1), Yuichiro INOMATA1), Kento SUZUKI1), Seiji TASAKI2), Masanori HIROSE3), Masahiro HINO4), Ryohei HANAYAMA5) and Takayuki SUMIYOSHI6)
Hamamatsu Photonics K.K, Iwata, Shizuoka 438-0193, Japan
1)
Yamagata University, Yamagata 990-8560, Japan
2)
Graduate School of Engineering, Kyoto University, Nishikyo, Kyoto 615-8530, Japan
3)
Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
4)
Research Reactor Institute, Kyoto University, Kumatori, Osaka 590-0494, Japan
5)
The Graduate School for the Creation of New Photonics Industries, Hamamatsu, Shizuoka 431-1202, Japan
6)
Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
(Received 10 June 2017 / Accepted 21 February 2018 / Published 10 April 2018)

Abstract

A capillary plate (CP) gas detector is a type of a hole-type micropattern gaseous detector. The detector displays high spatial resolution characteristics in two-dimensional radiation detection by using a CP with a small channel pitch. In this study, a sealed-type CP gas detector for neutron imaging was developed. The detector converts the incident position of neutrons to an optical image. A novel imaging system was constructed, and it comprised the CP gas detector, an image intensifier unit, and a science-CMOS camera. The system was tested with a compact accelerator driven neutron source, “KUANS.” Each signal of charged particles generated by a nuclear reaction between a neutron and a 10B layer was obtained. The results indicated that neutron images were obtained clearly.

Keywords

neutron detector, neutron imaging, capillary plate, micropattern gaseous detector, gas scintillation

DOI: 10.1585/pfr.13.2406018

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