Investigation of CdZnTe and LiNbO3 as electro-optic neutron detectors

被引：12
|
作者：
Nelson, Kyle A. [1 ]
Edwards, Nathan [1 ]
Harrison, Mark J. [2 ]
Kargar, Alireza [1 ]
McNeil, Walter J. [1 ]
Rojeski, Ronald A. [3 ]
McGregor, Douglas S. [1 ]
机构：
[1] Kansas State Univ, Mech & Nucl Engn Dept, SMART Lab, Manhattan, KS 66506 USA
[2] Univ Florida, Gainesville, FL 32611 USA
[3] Cymer Inc, San Diego, CA 92127 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 620卷 / 2-3期
关键词：
Electro-optic device; Pockels cell; Neutron detector;
D O I：
10.1016/j.nima.2009.12.042
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An alternative method for the detection of thermal neutrons has been investigated utilizing the Pockels effect with CdZnTe and LiNbO3. A photodiode was used to indicate a change in light intensity transmitted through an assembly consisting of polarizer, Pockels cell, and analyzer. Ionization due to neutron reaction products can perturb an established electric field within the cell, thus changing the transmitted light intensity through the assembly. The CdZnTe cell demonstrated a repeatable change in transmitted light intensity, increasing with neutron flux, marking the first recorded use of this technology to detect neutrons. However, the LiNbO3 cell gave no response to neutron irradiation, and is assumed to be a result of the extremely short carrier lifetimes found in the material. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：363 / 367
页数：5
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