Development of adiabatic demagnetization refrigerator for HUBS

H. Jin*, X. Y. Hua, C. Z. Li, Y. L. Chen, J. Ding, R. Huang, Y. J. Liang, F. J. Li, Y. R. Wang, S. F. Wang, G. L. Wang, Y. N. Zhang, W. Cui, J. Shen, W. Dai, Y. Zhou, D. McCammon

*此作品的通讯作者

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摘要

The Hot Universe Baryon Surveyor (HUBS) is a satellite concept proposed in China to address the so-called “missing baryon problem”, which has serious implications on the formation and evolution of galaxies. At the heart of HUBS there is a high-resolution soft X Ray spectrometer based on transition-edge sensors operating below 100 mK. A cooling system is needed to provide such a low-temperature environment. It necessarily consists of a precooling stage and a cold stage. The cold stage could be enabled by an adiabatic demagnetization refrigerator (ADR). Because an ADR could be operated without gravity's assist and has no refrigerant consumption, it is a good candidate for satellite mission like HUBS. For HUBS, the ADR will be employed to cool the detector down to below 100 mK from the precooling stage (at about 4K), which is enabled by mechanical pulse tube refrigerators. ADR for HUBS is now under development in our lab. The key technologies of building an ADR including growth of paramagnetic salt pill crystals, gas-gap heat switch are under development. A preliminary design of the ADR is completed and the design parameters are optimized. In this paper, we report on the status of the development.

源语言英语
主期刊名Space Telescopes and Instrumentation 2020
主期刊副标题Ultraviolet to Gamma Ray
编辑Jan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa
出版商SPIE
ISBN(电子版)9781510636750
DOI
出版状态已出版 - 2020
已对外发布
活动Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray - Virtual, Online, 美国
期限: 14 12月 202018 12月 2020

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
11444
ISSN(印刷版)0277-786X
ISSN(电子版)1996-756X

会议

会议Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
国家/地区美国
Virtual, Online
时期14/12/2018/12/20

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引用此

Jin, H., Hua, X. Y., Li, C. Z., Chen, Y. L., Ding, J., Huang, R., Liang, Y. J., Li, F. J., Wang, Y. R., Wang, S. F., Wang, G. L., Zhang, Y. N., Cui, W., Shen, J., Dai, W., Zhou, Y., & McCammon, D. (2020). Development of adiabatic demagnetization refrigerator for HUBS. 在 J.-W. A. den Herder, S. Nikzad, & K. Nakazawa (编辑), Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray 文章 114449G (Proceedings of SPIE - The International Society for Optical Engineering; 卷 11444). SPIE. https://doi.org/10.1117/12.2561207