Abstract
Transmission and reflection coefficients of hybrid modes in the sliding waveguide are discussed on the basis of mode matching method and multi-mode network theory. It is confirmed that the decrease in power of < 0.2% at 84 GHz is obtained for 2 cm in gap of the sliding waveguide which is composed of the corrugated waveguide with 88.9 mm diam. and the smooth-wall waveguide with 110 mm diam. At the sliding length near multi-half-wavelength in vacuum, transmission and reflection powers in the sliding waveguide change slightly, because the very small amount of standing wave in high higher-mode is produced resonantly in the gap.
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Ohkubo, K., Kubo, S., Idei, H. et al. Analysis of Oversized Sliding Waveguide by Mode Matching and Multi-Mode Network Theory. International Journal of Infrared and Millimeter Waves 21, 1463–1477 (2000). https://doi.org/10.1023/A:1026461125089
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DOI: https://doi.org/10.1023/A:1026461125089