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OVERSIZED CIRCULAR CORRUGATED WAVEGUIDES OPERATED AT 42 GHZ FOR ECRH APPLICATION
Progress In Electromagnetics Research M
The design, analysis, and manufacturing of an oversized circular metallic corrugated waveguide with rectangular and square grooves for transmitting power from gyrotron to tokamak or dummy load have been carried out. To carry high power at millimeter wave with lower transmission loss, a corrugated waveguide is preferred. A corrugated waveguide with HE 11 mode gives lower attenuation than a smooth circular waveguide with TE 11 mode. The theory behind the depth and width selection of corrugationsdoi:10.2528/pierm19102302 fatcat:qffwdr4m6za6zisnycvb6rufbu