Hannover 2016 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 6: Low temperature plasmas I

P 6.6: Vortrag

Dienstag, 1. März 2016, 12:40–12:55, b302

Design considerations and status of the construction of a Multi-Array Inductive Discharge (MAID) — •Philipp Ahr and Uwe Czarnetzki — Institute for Plasma and Atomic Physics, Ruhr University Bochum, 44801 Bochum, Germany

Recently a novel mechanism for stochastic electron heating in inductively coupled plasmas has been proposed/identified theoretically by Czarnetzki and Tarnev [1]. It considers the movement of electrons in a plane parallel to the inductive coil, in contrast to the common case, when the considered electrons move perpendicular to the planar coil. It was shown that when the electrons move through a periodically structured electric field there exist the possibility for a non-local energy gain.

To experimentally verify this hypothesis a plasma source is being designed and assembled. The source is termed Multi-Array Inductive Discharge (MAID36) and consists of an array of 6 x 6 flat inductive coils, 5 cm in diameter. Here the design considerations for the construction of the source will be discussed and the current status of the source development will be presented. The planned diagnostic campaigns will also be briefly outlined.

[1] U. Czarnetzki and Kh. Tarnev, Phys. Plasmas 21, 123508 (2014).