Abstract
Circular groove guide is a kind of waveguide for millimeter waves with low loss, large dimensions, and low dispersion. In this paper, the dominant mode characteristics of it is analysed. The technique that mode macthing method combines with point matching method is used to derive the Nth-order characteristic equation of the guide. The 1st order, 2nd order and 3rd order approximate curves that the normalized cutoff wavelength of circular groove guide varies with c/a are given. The attenuation curves are given at 1mm, 1.5mm and 3mm wavelength. The numerical results are in well agreement with the experimental results published.
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J. L. Ma, Ph. D. thesis, Southeast University, China, May 1992.
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Supported by National Science Foundation of P. R. China
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Chi, H., Hong-sheng, Y. & Zhong-zuo, L. Dominant mode characteristics of circular groove guide. Int J Infrared Milli Waves 16, 401–410 (1995). https://doi.org/10.1007/BF02096326
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DOI: https://doi.org/10.1007/BF02096326