Detection of synchrotron radiation by Nb-based superconducting tunnel junctions

K. Maehata, K. Ishibashi, H. Nakagawa, H. Akoh, S. Takada, T. Nakashima, H. Shimizu, M. Yoshizawa, M. Katagiri

研究成果: Contribution to journalArticle査読

抄録

Monoenergetic X-rays extracted from synchrotron radiation were detected by two kinds of Nb-based superconducting tunnel junctions. Each of junctions had been fabricated by using different fabrication processes. Measurements were carried out under severe noisy circumstances. A cooled-FET preamplifier was employed to improve the signal to noise ratio. Pulse height distributions of the output signal of the preamplifier were obtained for monoenergetic X-rays in a range of 4 to 15 keV. Values of the energy for single electron collection were found to exhibit a nonlinear dependence on the energy of incident X-rays.

本文言語英語
ページ(範囲)29-34
ページ数6
ジャーナルDenshi Gijutsu Sogo Kenkyusho Iho/Bulletin of the Electrotechnical Laboratory
61
6-7
出版ステータス出版済み - 12 1 1997

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 電子工学および電気工学

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