A simple model for estimating a magnetic field in laser-driven coils

Gennady Fiksel, William Fox, Lan Gao, Hantao Ji

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Magnetic field generation by laser-driven coils is a promising way of magnetizing plasma in laboratory high-energy-density plasma experiments. A typical configuration consists of two electrodes - one electrode is irradiated with a high-intensity laser beam and another electrode collects charged particles from the expanding plasma. The two electrodes are separated by a narrow gap forming a capacitor-like configuration and are connected with a conducting wire-coil. The charge-separation in the expanding plasma builds up a potential difference between the electrodes that drives the electrical current in the coil. A magnetic field of tens to hundreds of Teslas generated inside the coil has been reported. This paper presents a simple model that estimates the magnetic field using simple assumptions. The results are compared with the published experimental data.

Original languageEnglish (US)
Article number134103
JournalApplied Physics Letters
Volume109
Issue number13
DOIs
StatePublished - Sep 26 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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