Performance of an X-ray imaging detector based on a structured scintillator

被引：34
|
作者：
Svenonius, Olof [1 ]
Sahlholm, Anna [1 ]
Wiklund, Per [1 ]
Linnros, Jan [1 ,2 ]
机构：
[1] Scint X AB, S-16440 Kista, Sweden
[2] Royal Inst Technol, Dept Microelect & Appl Phys, S-16440 Kista, Sweden
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 607卷 / 01期
关键词：
X-ray imaging; Scintillator; Cesium iodide; GUIDES; ARRAYS;
D O I：
10.1016/j.nima.2009.03.146
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Structured scintillator plates have been fabricated by filling thallium-doped caesium iodide (CsI) into a silicon pore array. Their X-ray imaging properties have been characterized using a standard dental X-ray source and a charge coupled device (CCD) detector. Results indicate that finer structured pore arrays provide superior imaging resolution while their light output is lower. Direct absorption of X-ray quanta in the CCD is a significant contributor of detector noise. This can be avoided by using a thick fibre optic plate or, in certain cases, by using a hot-pixel software algorithm. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：138 / 140
页数：3
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