Study of the characteristic impedance of a ridge gap waveguide
- Alfonso, E.
- Kildal, Per-Simon
- Valero-Nogueira, A.
- Baquero, Mariano
Publication date
January 2009
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
This paper presents a study of the characteristic impedance of a ridge gap waveguide. Ridge gap waveguides belongs to a new metamaterial-based waveguide technology for millimeter and submillimeter waves which emerged recently. A formula for the characteristic impedance of an ideal PEC-over-PMC ridge gap waveguide has been derived. A preliminary numerical study of the characteristic impedance of a real ridge gap waveguide where the PMC is realized by a bed of nails is also presented
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