Alkali Halide Microstructured Optical Fiber for X-ray Detection

被引：0
|
作者：
DeHaven, S. L. [1 ]
Wincheski, R. A. [1 ]
Albin, S. [2 ]
机构：
[1] NASA, Langley Res Ctr, Hampton, VA 23681 USA
[2] Norfolk State Univ, Norfolk, VA 23504 USA
来源：
41ST ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOL 34 | 2015年 / 1650卷
关键词：
D O I：
10.1063/1.4914655
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Microstructured optical fibers containing alkali halide scintillation materials of CsI(Na), CsI(Tl), and NaI(Tl) are presented. The scintillation materials are grown inside the microstructured fibers using a modified Bridgman-Stockbarger technique. The x-ray photon counts of these fibers, with and without an aluminum film coating are compared to the output of a collimated CdTe solid state detector over an energy range from 10 to 40 keV. The photon count results show significant variations in the fiber output based on the materials. The alkali halide fiber output can exceed that of the CdTe detector, dependent upon photon counter efficiency and fiber configuration. The results and associated materials difference are discussed.
引用
收藏
页码：571 / 578
页数：8
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