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

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

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)1547-1549
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume471
Issue number21-22
DOIs
Publication statusPublished - Nov 1 2011

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Magnetic lenses
concentrators
Magnetic flux
Superconducting materials
magnetic lenses
Lenses
Diamagnetism
Magnetic fields
Cryostats
slits
magnetic flux
rings
lenses
magnetic fields
Magnets
Cones
Magnetic properties
diamagnetism
circumferences
concentrating

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

A new structure for a magnetic field concentrator using NbTi sheet superconductors. / Zhang, Z. Y.; Matsumoto, S.; Choi, S.; Teranishi, Ryo; Kiyoshi, T.

In: Physica C: Superconductivity and its applications, Vol. 471, No. 21-22, 01.11.2011, p. 1547-1549.

Research output: Contribution to journalArticle

Zhang, Z. Y. ; Matsumoto, S. ; Choi, S. ; Teranishi, Ryo ; Kiyoshi, T. / A new structure for a magnetic field concentrator using NbTi sheet superconductors. In: Physica C: Superconductivity and its applications. 2011 ; Vol. 471, No. 21-22. pp. 1547-1549.
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