A new structure for a magnetic field concentrator using NbTi sheet superconductors

Z. Y. Zhang, S. Matsumoto, S. Choi, R. Teranishi, T. Kiyoshi

    研究成果: ジャーナルへの寄稿学術誌査読

    17 被引用数 (Scopus)


    The magnetic lens, a new device for concentrating magnetic flux using the diamagnetism of superconductors, has been experimentally confirmed by employing HTS bulk. In this paper, a new magnetic lens made of NbTi/Cu rings is introduced. The rings, which have identical outer diameters and increasing inner diameters, were stacked to form a hollow cone. Each ring has a slit to suppress the circumference current. The slits were placed in the same position to form a leakage path. The lens was assembled in an existing cryostat system with a NbTi magnet, and the magnetic properties were measured. The concentrated magnetic flux density rose to 0.618 T when the background field reached 0.339 T at the tip of the lens. The concentration ratio was 1.82. These experimental results agree well with the numerical results.

    ジャーナルPhysica C: Superconductivity and its applications
    出版ステータス出版済み - 11月 2011

    !!!All Science Journal Classification (ASJC) codes

    • 電子材料、光学材料、および磁性材料
    • 凝縮系物理学
    • エネルギー工学および電力技術
    • 電子工学および電気工学


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