TRANSMISSION CHARACTERISTICS ON COMPOSITE RIGHT/LEFT-HANDED CYLINDRICAL WAVEGUIDES CONSTRUCTED BY THE CUTOFF TE AND TM MODES
Author(s) -
Shigeyuki Nishimura,
Hiroyuki Deguchi,
Mikio Tsuji
Publication year - 2018
Publication title -
progress in electromagnetics research m
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.216
H-Index - 31
ISSN - 1937-8726
DOI - 10.2528/pierm18053002
Subject(s) - cutoff , left handed , transmission (telecommunications) , composite number , optics , cutoff frequency , materials science , physics , composite material , telecommunications , computer science , quantum mechanics
This paper proposes a composite right/left-handed cylindrical waveguide. Negative permeability is realized by the cutoff TM01-mode in a hollow waveguide, and negative permittivity is realized by the cutoff dominant TE-mode in a sector waveguide with a ridge. Usefulness of the proposed cylindrical waveguide is verified from the numerical computations of both the dispersion diagrams and the transmission characteristics of the structure with finite-number unit cells. Finally, measurement of the fabricated waveguides is performed for the experimental verification.
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