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arXiv · 2012.01629

Design and verification of the HXI collimator onboard the ASO-S mission

Chen Dengyi·Hu Yiming·Ma Tao·Su Yang·Yang Jianfeng·Wang Jianping·Xu Guangzhou·Jiang Xiankai·Guo Jianhua·Zhang Yongqiang·Zhang Yan·Chen Wei·Chang Jin·Zhang Zhe
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Abstract

A space-borne hard X-ray collimator, comprising 91 pairs of grids, has been developed for the Hard X-ray Imager (HXI). The HXI is one of the three scientific instruments onboard the first Chinese solar mission: the Advanced Space-based Solar Observatory (ASO-S). The HXI collimator (HXI-C) is a spatial modulation X-ray telescope designed to observe hard X-rays emitted by energetic electrons in solar flares. This paper presents the detailed design of the HXI-C for the qualification model that will be inherited by the flight model. Series tests on the HXI-C qualification model are reported to verify the ability of the HXI-C to survive the launch and to operate normally in on-orbit environments. Furthermore, results of the X-ray beam test for the HXI-C are presented to indirectly identify the working performance of the HXI-C.

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Chen Dengyi, Hu Yiming, Ma Tao, Su Yang, Yang Jianfeng, Wang Jianping, Xu Guangzhou, Jiang Xiankai, Guo Jianhua, Zhang Yongqiang, Zhang Yan, Chen Wei, Chang Jin, Zhang Zhe. 2021-01-18. Design and verification of the HXI collimator onboard the ASO-S mission. https://arxiv.org/abs/2012.01629

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