X-ray Photon Counting and Two-Color X-ray Imaging Using Indirect Detection

被引：13

作者：

Dierickx, Bart ^{[1
]}

Yao, Qiang ^{[1
]}

Witvrouwen, Nick ^{[1
]}

Uwaerts, Dirk ^{[1
]}

Vandewiele, Stijn ^{[1
]}

Gao, Peng ^{[1
]}

机构：

[1] Caeleste CVBA, Consci Str 1 B, B-2800 Mechelen, Belgium

来源：

SENSORS | 2016年 / 16卷 / 06期

关键词：

X-ray photon counting; scintillator; color X-ray; spectral X-ray; ARRAYS;

D O I：

10.3390/s16060764

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, we report on the design and performance of a 1 cm(2), 90 x 92-pixel image sensor. It is made X-ray sensitive by the use of a scintillator. Its pixels have a charge packet counting circuit topology with two channels, each realizing a different charge packet size threshold and analog domain event counting. Here, the sensor's performance was measured in setups representative of a medical X-ray environment. Further, two-energy-level photon counting performance is demonstrated, and its capabilities and limitations are documented. We then provide an outlook on future improvements.

引用

页数：14

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