光子计数探测器用钽超导隧道结

C. Jorel, P. Feautrier, J. Villégier, A. Benoit
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摘要

本文介绍了用于天文光子计数仪器的0.2 K超导隧道结探测器的研制。我们希望将这种类型的探测器以中等能量分辨率运行到下午2.5点,以便为天文学界提供创新的仪器视角。介绍了Ta结的制备、表征和近红外光子计数实验。最后讨论了制备工艺的改进。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tantalum superconducting tunnel junctions for photon counting detectors
Abstracb This paper presents the fabrication of Ta Superconducting Tunnel Junction detector working at 0.2 K to be used for photon counting instruments in astronomical applications. We would like to operate this type of detectors up to 2.5 pm with a moderate energy resolution in order to offer innovative instrumental perspectives to the astronomical community. The Ta junction fabrication and characterization as well as photon counting experiments in the near-infrared are presented. Fabrication process improvements are discussed at the end of this paper.
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