A folded waveguide coupler for plasma heating in the ion cyclotron range of frequencies
A new type of waveguide coupler for plasma heating experiments in the ion cyclotron range of frequencies (ICRF) is introduced. The coupler consists of a series of interleaved metallic vanes within a rectangular enclosure analogous to a very wide simple rectangular waveguide that has been ''folded'' several times. At the mouth of the coupler a plate is attached which contains coupling apertures in each ''fold'' or every other ''fold'' depending upon the application. This plate serves primarily as a wave field polarizer that converts coupler fields to the polarization of the fast magnetosonic wave within a plasma. Theoretical estimates indicate that the folded waveguide coupler is capable of high-efficiency multimegawatt operation into a plasma.
- Research Organization:
- Mc Donnell Douglas Astronautics Co., St. Louis, MO 63166
- OSTI ID:
- 6748207
- Journal Information:
- IEEE Trans. Plasma Sci.; (United States), Journal Name: IEEE Trans. Plasma Sci.; (United States) Vol. PS-14:6; ISSN ITPSB
- Country of Publication:
- United States
- Language:
- English
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A folded waveguide coupler for ion cyclotron heating
Folded waveguide coupler