Experimental Verification of Mode Coupling Phenomenon in High Permittivity NRD Guide with Small Remaining Asymmetrically Air Gap

Futoshi KUROKI  Kouichi YAMAOKA  Motofumi YAMAGUCHI  Tsukasa YONEYAMA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E88-C   No.1   pp.110-111
Publication Date: 2005/01/01
Online ISSN: 
DOI: 10.1093/ietele/e88-c.1.110
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics)
Category: 
Keyword: 
NRD guide,  mode coupling,  dielectric waveguide,  millimeter-wave integrated circuits,  

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Summary: 
It is known that a high permittivity NRD guide suffers from irregular transmission phenomena. In this study, we clarified that this problem is caused by a mode coupling phenomenon between the operating and parasitic modes due to a small remaining asymmetrically air gap between the metal plates and high permittivity dielectric materials.