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Coupling to the fast wave via a phased waveguide array
Published Web Location
https://doi.org/10.1088/0029-5515/24/8/010Abstract
A dielectric-loaded waveguide array has been used to launch fast waves into a plasma in which ωpi<ω≪ωpe ≈ ωce. The wave propagates when accessibility and cut-off requirements are satisfied. Reflection coefficients as low as 1% have been measured. Use of the fast wave for steady-state current drive is suggested.
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