CCD detectors for fast neutron radiography and tomography with a cone beam

被引：15
|
作者：
Bogolubov, E
Bugaenko, O
Kuzin, S
Mikerov, V
Monitch, E
Monitch, A
Pertsov, A
机构：
[1] All Russian Res Inst Automat, Moscow 127055, Russia
[2] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 542卷 / 1-3期
关键词：
neutron radiography; CCD-detector; luminescent detectors;
D O I：
10.1016/j.nima.2005.01.098
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Two new types of luminescent CCD-detectors intended for fast neutron radiography and tomography with a cone neutron beam are described in the paper. A 6 cm thick luminescent screen made of polystyrene is used in the first one to convert fast neutrons. A special optics has been developed to transfer the optical image from the screen to the CCD-matrix. The optics design helps not to loose spatial resolution due to the beam divergence and screen thickness. The second detector is based on the use of a fiber optical screen made of luminescent fibers in the form of a rectangular truncated pyramid. Principles of the detectors operation have been experimentally proved. The obtained results show that the detectors provide a spatial resolution of about 2 mm. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：187 / 191
页数：5
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