用于HL-2A装置的新型硬X射线探测器

赵艳凤; 范伟伟; 袁晨; 蒋春雨; 孙姗; 张伟; 阴泽杰

doi:10.11889/j.0253-3219.2017.hjs.40.040402

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用于HL-2A装置的新型硬X射线探测器

核电子学与仪器 | 更新时间：2021-05-19

- 用于HL-2A装置的新型硬X射线探测器
- Study of a new type of hard X-ray detector for HL-2A device
- 核技术 2017年40卷第4期文章编号：040402
- 作者机构：
  
  中国科学技术大学近代物理系合肥 230027
- 作者简介：
  
  [ "赵艳凤, 女, 1991年出生, 2014年毕业于云南大学, 现为硕士研究生, 从事核信息采集和处理方向", "ZHAO Yanfeng, female, born in 1991, graduated from Yunnan University in 2014, master student, engaged in nuclear information acquisition and processing" ]
  阴泽杰, E-mail:zjyin@ustc.edu.cn YIN Zejie, E-mail:zjyin@ustc.edu.cn
- 基金信息：
  
  国家自然科学基金(11375195);国家自然科学基金(11575184);国家磁约束核聚变发展研究专项(2013GB104003)
- DOI：10.11889/j.0253-3219.2017.hjs.40.040402
  中图分类号： TL812.1
- 收稿日期：2016-11-03，
  
  修回日期：2016-11-30，
  
  纸质出版日期：2017-04
- 稿件说明：
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赵艳凤, 范伟伟, 袁晨, 等. 用于HL-2A装置的新型硬X射线探测器[J]. 核技术, 2017,40(4):040402

Yanfeng ZHAO, Weiwei FAN, Chen YUAN, et al. Study of a new type of hard X-ray detector for HL-2A device[J]. Nuclear techniques, 2017, 40(4): 040402
赵艳凤, 范伟伟, 袁晨, 等. 用于HL-2A装置的新型硬X射线探测器[J]. 核技术, 2017,40(4):040402 DOI： 10.11889/j.0253-3219.2017.hjs.40.040402.

Yanfeng ZHAO, Weiwei FAN, Chen YUAN, et al. Study of a new type of hard X-ray detector for HL-2A device[J]. Nuclear techniques, 2017, 40(4): 040402 DOI： 10.11889/j.0253-3219.2017.hjs.40.040402.

摘要

介绍了一种应用于托卡马克等离子诊断领域的新型硬X射线探测器，该探测器主要由硅酸钇镥（Lutetium-yttrium Oxyorthosilicate，LYSO）闪烁体和硅光电倍增管（Silicon Photomultiplier，SiPM）组成。基于项目应用需求，对探测器的选型和基于粒子输运蒙特卡罗仿真软件GEANT4的探测器设计加以阐述，并搭建了前端的探测系统，在HL-2A托卡马克装置上进行了现场诊断实验。实现了硬X射线空间能谱和辐射强度分布的诊断测量。实验表明该探测器阵列具有10 ms的时间分辨率，同时具有结构紧凑、使用方便等特点，能够满足等离子体诊断中硬X射线动态能谱和强度分布测量的诊断需求。

Abstract

Background

The hard X-ray diagnostic system is important for HL-2A Tokamak experimental facility. In order to improve the diagnostic performance

a new hard X-ray detector with better precision is required.

Purpose

This study aims to design a new type of hard X-ray detector to measure X-ray spatial energy spectrum and radiation intensity distribution for HL-2A.

Methods

The new hard X-ray detection system is composed of lutetium-yttrium oxyorthosilicate (LYSO) scintillator and silicon photomultiplier (SiPM). Selection of the detector and detector design based on the Monte Carlo particle transport simulation tool GEANT4 are effectuated to meet the application requirements of the project. Corresponding front-end electronics was implemented together with the detector to measure the hard X-ray spatial energy spectrum and radiation intensity distribution on site.

Results

The hard X-ray spatial energy spectrum with time resolution of 10 ms was successfully obtained in the experimental test using proposed new type of hard X-ray detector on the HL-2A Tokamak facility.

Conclusion

Experimental results show that the detector array has good time resolution and meets the high-precision measurement demand of hard X-ray dynamic spectrum and intensity distribution in plasma diagnose for HL-2A Tokamak facility. It has the advantages of compact structure and easy to use as well.

关键词

Keywords

references

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