Design and Characterisation of a Helicon Apparatus for Investigations of Parametric Instabilities in Magnetised Plasma

K. Wilson, L. Selman,C. Whyte,P. MacInnes, A. Young,A. Phelps,A. Cross, L. Zhang,B. Eliasson,D. Speirs, C. Robertson,K. Ronald, A. Cairns,M. Koepke,R. Bingham,R. Bamford

2022 IEEE International Conference on Plasma Science (ICOPS)（2022）

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摘要

Parametric instabilities [1] arise across many plasma physics environments including inertial [2] and magnetic [3] confinement fusion and in ionospheric plasmas [4] . A helicon [5] plasma source can provide a stable, controllable, low temperature and relatively tenuous plasma for periods of hours, making it suited to diagnosis by techniques such as probes and interferometry. Our apparatus operates in inductive and helicon modes driven by an RF antenna in the range of 3更多

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关键词

controllable temperature,relatively tenuous plasma,noble gas plasma,stainless-steel vacuum chamber,plasma parameters,parametric instabilities,microwave sources,RF-compensated Langmuir probes,helicon apparatus,magnetised plasma,plasma physics environments,confinement fusion,ionospheric plasmas,helicon plasma source,stable temperature,magnetic confinement fusion,RF antenna,Gaussian beam,Brillouin scattering,Raman scattering,magnetron oscillators,travelling wave tube amplifiers,dispersive pulse compressors,complementary microwave interferometry diagnostics,size 3.0 m,size 10.0 m,electron volt energy 10.0 eV,frequency 30.0 MHz,power 4.0 kW,size 1.0 m

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