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Transition from unbounded to bounded plasma whistler wave dispersion

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/persons/resource/persons109103

Franck,  C. M.
Stellarator Scenario Development (E5), Max Planck Institute for Plasma Physics, Max Planck Society;
VINETA, Max Planck Institute for Plasma Physics, Max Planck Society;

/persons/resource/persons109244

Grulke,  O.
VINETA, Max Planck Institute for Plasma Physics, Max Planck Society;
Stellarator Scenario Development (E5), Max Planck Institute for Plasma Physics, Max Planck Society;

/persons/resource/persons109625

Klinger,  T.
Stellarator Scenario Development (E5), Max Planck Institute for Plasma Physics, Max Planck Society;
VINETA, Max Planck Institute for Plasma Physics, Max Planck Society;

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Citation

Franck, C. M., Grulke, O., & Klinger, T. (2002). Transition from unbounded to bounded plasma whistler wave dispersion. Physics of Plasmas, 9(8), 3254-3258.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-40B4-5
Abstract
Whistler wave dispersion measurements are done in a linear magnetized helicon plasma experiment. The waves are excited by an induction loop and detected by movable magnetic probes for a frequency range of 100-800 MHz, corresponding to 0.05-0.9 omega(ce). The dispersion of whistler waves is measured for various plasma densities and magnetic field strengths. A key issue is to study the transition from an unbounded to bounded plasma wave dispersion. A comparison with theoretically derived dispersion relations is made. For small wavelengths, the dispersion can be described with whistler wave theory for unbounded plasmas whereas for larger wavelengths, the bounded geometry must be taken into consideration. The experimental results agree with theoretical dispersion relations derived for the bounded and the unbounded situation. (C) 2002 American Institute of Physics.