Development of a discriminator grade CdZnTe detector for CBS system

HAO Kuihong1 LI Yanjun1 ZHAO Lin1 WANG Huaxiang2 DING Honglin3 1

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Development of a discriminator grade CdZnTe detector for CBS system

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- Development of a discriminator grade CdZnTe detector for CBS system
- NUCLEAR TECHNIQUES Vol. 32, Issue 10, (2009)
- 作者机构：
  
  1. 中国民航大学航空自动化学院
  2. 天津大学自动化学院
  3. 中国原子能研究院
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(60532020,60472077);国家自然科学基金委员会与中国民用航空总局联合资助项目(60672170);中国民航大学科研启动基金资助(06QD07X)项目
- DOI：
  CLC： TL814
- Published：01 October 2009
- 稿件说明：
移动端阅览
[1]郝魁红,李炎钧,赵林,王化祥,丁洪林.背散射成像系统的甄别级CZT探测器特性研究与应用[J].核技术,2009,32(10):790-794.

HAO Kuihong1 LI Yanjun1 ZHAO Lin1 WANG Huaxiang2 DING Honglin3 1. Development of a discriminator grade CdZnTe detector for CBS system[J]. Nuclear techniques, 2009, 32(10): 790-794.
[1]郝魁红,李炎钧,赵林,王化祥,丁洪林.背散射成像系统的甄别级CZT探测器特性研究与应用[J].核技术,2009,32(10):790-794. DOI：

HAO Kuihong1 LI Yanjun1 ZHAO Lin1 WANG Huaxiang2 DING Honglin3 1. Development of a discriminator grade CdZnTe detector for CBS system[J]. Nuclear techniques, 2009, 32(10): 790-794. DOI：

摘要

为设计适用于康普顿背散射成像系统

通过分析成像系统及CdZnTe探测器性能

并考虑到相应核电子学电路的噪声特性

设计了甄别级CdZnTe探测器

并设计了相应的低噪声电荷灵敏前置放大器和主放大器。在常温下

5 mm×5 mm×5 mm的甄别级CdZnTe探测器与核电子学电路系统对于662 keV的137Cs源

其能量分辨率小于4%。

Abstract

Detectors applied in Compton backscatter imaging and low-noise amplifier including charge-sensitive amplifier and main amplifier were developed

through analyzing the performances of CdZnTe detector and considering the noise characteristics of the circuits.At room temperature

energy resolution of the detection system with a 5 mm×5 mm×5 mm discriminator grade CdZnTe detector and nuclear electronic circuit is better than 4% to the 662 keV 137Cs γ-ray.

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