Low dose rate γ-ray detection using a MAPS camera under a neutron radiation environment

被引：4

作者：

Xu, Shoulong ^{[1
]}

Zhao, Fang ^{[1
]}

Zou, Yang ^{[2
]}

Sun, Meilan ^{[1
]}

Zou, Shuliang ^{[1
]}

Han, Yongchao ^{[3
]}

Huang, Youjun ^{[4
]}

Yu, Xiuwu ^{[1
]}

Gong, Dawei ^{[5
]}

Qu, Yantao ^{[3
]}

Liu, Houdong ^{[1
]}

Yang, Huaiqing ^{[1
]}

机构：

[1] Univ South China, Hengyang 421001, Hunan, Peoples R China

[2] China Natl Nucl Corp, Beijing 100822, Peoples R China

[3] China Inst Atom Energy, Beijing 102413, Peoples R China

[4] Nucl Power Inst China, Chengdu 610213, Sichuan, Peoples R China

[5] Univ Elect Sci & Technol China, Chengdu 611731, Peoples R China

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 22期

基金：

中国国家自然科学基金;

关键词：

SENSOR;

D O I：

10.1364/OE.437580

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present gamma-ray radiation detection in a neutron radiation environment using a monolithic active pixel sensor (MAPS) camera without conversion or shielding layers. The measured output signal is the sum of the pedestal value, noise, and real radiation response signal. The sensor response shows that the MAPS camera is sensitive to neutrons and can capture a single photon. The number of pixels with a signal exceeding 100 exhibits a strong dependence on the dose rate and is the best indicator of this value. Therefore, a MAPS camera can be efficiently used as a radiation detection sensor in a robotic system, further limiting human errors in performing radiation detection in complex nuclear radiation environments. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：34913 / 34925

页数：13

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