Parallel readout of two-element CdZnTe detectors with real-time digital signal processing

被引：0

作者：

Shi Zhubin ^{[1
]}

Wang Linjun ^{[1
]}

Qin Kaifeng ^{[1
]}

Min Jiahua ^{[1
]}

Zhang Jijun ^{[1
]}

Liang Xiaoyan ^{[1
]}

Huang Jian ^{[1
]}

Tang Ke ^{[1
]}

Xia Yiben ^{[1
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200041, Peoples R China

来源：

JOURNAL OF SEMICONDUCTORS | 2010年 / 31卷 / 12期

基金：

中国国家自然科学基金;

关键词：

CdZnTe detectors; detectors in parallel; digital method; radiation measurement;

D O I：

10.1088/1674-4926/31/12/124014

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Readout electronics, especially digital electronics, for two-element CdZnTe (CZT) detectors in parallel are developed. The preliminary results show the detection efficiency of the two-element CZT detectors in parallel with analog electronics is as many as 1.8 and 2.1 times the single ones, and the energy resolution (FWHM) is limited by that of the single one by the means of analog electronics. However, the digital method for signal processing will be sufficiently better by contrast with an analog method especially in energy resolution. The energy resolution by the means of digital electronics can be improved by about 26.67%, compared to that only with analog electronics, while their detection efficiency is almost the same. The cause for this difference is also discussed.

引用

页数：4

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