Spectrometer of hard X-ray imager payload onboard the ASO-S mission

Yan Zhang; Jian-Hua Guo; Zhe Zhang; Deng-Yi Chen; Yi-Ming Hu; Yong-Qiang Zhang; Tao Ma; Yong-Yi Huang

doi:10.1007/s41365-019-0642-y

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Spectrometer of hard X-ray imager payload onboard the ASO-S mission

NUCLEAR ELECTRONICS AND INSTRUMENTATION | Updated：2021-02-01

- Spectrometer of hard X-ray imager payload onboard the ASO-S mission
- Nuclear Science and Techniques Vol. 30, Issue 8, Article number: 128(2019)
- Affiliations：
  
  1.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210034, China
  2.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  Corresponding author, zhangzhe@pmo.ac.cn
- Funds：
- DOI：10.1007/s41365-019-0642-y
  CLC：
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Yan Zhang, Jian-Hua Guo, Zhe Zhang, et al. Spectrometer of hard X-ray imager payload onboard the ASO-S mission. [J]. Nuclear Science and Techniques 30(8):128(2019)
DOI：

Yan Zhang, Jian-Hua Guo, Zhe Zhang, et al. Spectrometer of hard X-ray imager payload onboard the ASO-S mission. [J]. Nuclear Science and Techniques 30(8):128(2019) DOI： 10.1007/s41365-019-0642-y.

摘要

Abstract

A spaceborne hard X-ray spectrometer, composed of an array of 99 scintillation detectors and associated readout electronics, has been developed for the hard X-ray imager (HXI). The HXI is one of the three payloads onboard the Advanced Space-based Solar Observatory (ASO-S), which is scheduled to be launched in early 2022 as the first Chinese solar satellite. LaBr,3, scintillators and photomultiplier tubes with a super bialkali cathode are used to achieve an energy resolution better than 20% at 30 keV. Further, a new multi-channel charge-sensitive readout application-specific integrated circuit guarantees high-frequency data acquisition with low power consumption. This paper presents a detailed design of the spectrometer for the engineering model of the HXI, and discusses its noise and linearity performance.

关键词

Keywords

Solar Radiation DetectionX-ray SpectrometerHard X-ray ImagerASO-S

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Purple Mountain Observatory, Chinese Academy of Sciences

Key Laboratory of Dark Matter and Space Astronomy, Chinese Academy of Sciences

School of Astronomy and Space Science, University of Science and Technology of China

University of Chinese Academy of Science

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