Reconstruction of polar magnetic field from single axis tomography of Faraday rotation in plasmas

Journal Article · Mon Oct 15 00:00:00 EDT 2012 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4759158· OSTI ID:22068843

Flacco, A; Rax, J -M; Malka, V ^[1]

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1. Laboratoire d'Optique Appliquee, ENSTA/ParisTech-Ecole Polytechnique/ParisTech-CNRS UMR 7639, Chemin de la Huniere, 91761 Palaiseau CEDEX (France)

An integral back-transform has been developed to retrieve the polar magnetic component in a cylindrically symmetric plasma from a single projection. The formula is derived from parallel forward Radon transform (Abel transform) of a source-free vector field. Two numerical schemes are proposed to solve the backward transform. These schemes have been tested successfully with predefined plasma parameters. The practical application to the analysis of experimental Faraday rotation measurements is also presented, leading to the reconstruction of the transverse profile of the magnetic field.

• OSTI ID: 22068843
• Journal Information: Physics of Plasmas, Vol. 19, Issue 10; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
FARADAY EFFECT
MAGNETIC FIELDS
NUMERICAL ANALYSIS
PLASMA
ROTATIONAL TRANSFORM
SYMMETRY
TOMOGRAPHY
VECTOR FIELDS