Kilotesla magnetic field due to a capacitor-coil target driven by high power laser

Shinsuke Fujioka, Zhe Zhang, Kazuhiro Ishihara, Keisuke Shigemori, Youichiro Hironaka, Tomoyuki Johzaki, Atsushi Sunahara, Naoji Yamamoto, Hideki Nakashima, Tsuguhiro Watanabe, Hiroyuki Shiraga, Hiroaki Nishimura, Hiroshi Azechi

Research output: Contribution to journalArticlepeer-review

235 Citations (Scopus)


Laboratory generation of strong magnetic fields opens new frontiers in plasma and beam physics, astro-and solar-physics, materials science, and atomic and molecular physics. Although kilotesla magnetic fields have already been produced by magnetic flux compression using an imploding metal tube or plasma shell, accessibility at multiple points and better controlled shapes of the field are desirable. Here we have generated kilotesla magnetic fields using a capacitor-coil target, in which two nickel disks are connected by a U-turn coil. A magnetic flux density of 1.5 kT was measured using the Faraday effect 650 μm away from the coil, when the capacitor was driven by two beams from the GEKKO-XII laser (at 1 kJ (total), 1.3 ns, 0.53 or 1 μm, and 5 × 10 16 W/cm2).

Original languageEnglish
Article number1170
JournalScientific reports
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • General


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