High contrast neutron radiography with optical devices in Kyoto University reactor

被引:3
|
作者
Kawabata, Y [1 ]
Nakano, T
Hino, M
Sunohara, H
Matsushima, U
Takenaka, N
机构
[1] Kyoto Univ, Res Reactor Inst, Kumatori, Osaka 5900494, Japan
[2] Kyoto Univ, Fac Engn, Kyoto 6068501, Japan
[3] Univ Ryukyus, Fac Agr, Nishihara, Okinawa 9030213, Japan
[4] Kobe Univ, Dept Engn Mech, Kobe, Hyogo 6578501, Japan
关键词
neutron radiography; VCN; high contrast; supermirror;
D O I
10.1016/j.nima.2004.04.212
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The high-contrast neutron radiography has been performed at a VCN guide (VCN) and a supermirror cold neutron guide (CN-3) in Kyoto University Reactor. The large absorption cross-section of very low-energy neutrons can show a slight change of sample which thermal neutrons can not show. The effectiveness is shown in the fields of botany, agriculture and industrial researches. A new spectrum change option using high Q(c) supermirror (m = 4) is attached. It can change the upper limit of the energy of exposure neutrons by reflections, and gives a high flexibility of the experimental condition. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:238 / 242
页数:5
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