高灵敏度太赫兹探测模块氮化铌超导SIS混频器空间环境适应性研究
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作者单位:

1.中国科学院紫金山天文台,江苏 南京210034;2.中国科学技术大学,天文与空间科学学院,安徽 合肥 230026

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P16

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Research on the adaptability of space environment about NbN superconducting SIS mixer for high sensitivity terahertz detection module
Author:
Affiliation:

1.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210034, China;2.School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei 230026, China

Fund Project:

Supported by National Natural Science Foundation of China (11925304, 12020101002, 11903086, 11903087, 11973095), Foundation of the Chinese Academy of Sciences (QYZDJ-SSW-SLH043, GJJSTD20210002)

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    摘要:

    高灵敏度太赫兹探测模块(High Sensitivity Terahertz Detection Module, HSTDM)是中国巡天望远镜的科学载荷之一。HSTDM是一台工作频段为410~510 GHz的高灵敏度高频率分辨率的外差混频接收机,其核心是工作在10 K温区的氮化铌(NbN)基超导隧道结(Superconductor - Insulator – Superconductor, SIS)混频器。HSTDM将首次实现氮化铌(NbN)基超导SIS混频器的空间应用。NbN基超导SIS混频器应适应空间环境的特殊要求,如高可靠性,对振动、宇宙辐照和热变化的适应性。对NbN基超导SIS混频器进行的鉴定试验测试,包括正弦振动试验、随机振动试验、单粒子辐照试验、总剂量辐照试验和热循环试验。研究结果表明氮化铌(NbN)基超导SIS混频器能够满足HSTDM的空间应用需求。

    Abstract:

    The high sensitivity terahertz detection module (HSTDM) is one of the scientific instruments of the China Sky Survey Telescope. HSTDM is a high-resolution spectrometer and the first space heterodyne receiver using niobium nitride (NbN)-based superconducting tunnel junction (Superconductor - Insulator - Superconductor (SIS)) mixer (the NbN SIS mixer). The NbN SIS mixer must meet the specification requested for a space environment, such as high operation reliability, robustness to vibration, cosmic irradiation, and thermal variation. This paper presents the space qualification tests performed on the NbN SIS mixer, including sine and random vibration tests, single-particle irradiation test, total dose radiation test, and thermal cycling test. The mixer’s performance analysis confirms that it can meet the space application requirements of HSTDM.

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引用本文

张坤,姚明,刘冬,刘博梁,李婧,姚骑均,史生才.高灵敏度太赫兹探测模块氮化铌超导SIS混频器空间环境适应性研究[J].红外与毫米波学报,2023,42(2):188~192]. ZHANG Kun, YAO Ming, LIU Dong, LIU Bo-Liang, LI Jing, YAO Qi-Jun, SHI Sheng-Cai. Research on the adaptability of space environment about NbN superconducting SIS mixer for high sensitivity terahertz detection module[J]. J. Infrared Millim. Waves,2023,42(2):188~192.]

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  • 收稿日期:2022-08-29
  • 最后修改日期:2023-03-09
  • 录用日期:2022-10-24
  • 在线发布日期: 2023-03-07
  • 出版日期: