Bound-mode resonance improving the input matching of a dual-mode leaky guiding structure

Author

Lin, Ching-Chyuan ; Tzuang, Ching-Kuang C.

Author_Institution

Inst. of Electr. Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

Volume

8

Issue

12

fYear

1998

fDate

12/1/1998 12:00:00 AM

Firstpage

418

Lastpage

420

Abstract

A novel approach of incorporating the bound-mode resonance in a uniform micro-CPW (coplanar waveguide) line that shows excellent input matching is presented. The matrix-pencil signal analyses of the CPW-fed micro-CPW guide confirm that two modes, namely, the bound CPW mode and the leaky second higher order microstrip mode, dominate, whereas the microstrip mode contributes too little to be detected. Both theoretical analyses and experimental measurements of the CPW-fed micro-CPW guide show that two well-matched input return losses regions are directly related to the resonances of the CPW mode within the guide

Keywords

coplanar waveguides; impedance matching; leaky wave antennas; losses; resonance; waveguide antennas; waveguide theory; CPW-fed guide; SHF; bound CPW mode; bound-mode resonance; coplanar waveguide line; dual-mode leaky guiding structure; input matching; input return losses; leaky second higher order microstrip mode; matrix-pencil signal analysis; micro-CPW guide antenna; micro-CPW line; Attenuation; Coplanar waveguides; Electromagnetic waveguides; Impedance matching; Leak detection; Loss measurement; Microstrip; Resonance; Signal analysis; Transmission line matrix methods;

fLanguage

English

Journal_Title

Microwave and Guided Wave Letters, IEEE

Publisher

ieee

ISSN

1051-8207

Type

jour

DOI

10.1109/75.746761

Filename

746761