Cutoff wavenumbers and the field of surface wave modes of an eccentric circular Goubau waveguide

Roumeliotis, JA; Fikioris, JG

dc.contributor.author	Roumeliotis, JA	en
dc.contributor.author	Fikioris, JG	en
dc.date.accessioned	2014-03-01T01:05:49Z
dc.date.available	2014-03-01T01:05:49Z
dc.date.issued	1980	en
dc.identifier.issn	0016-0032	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9008
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0019019814&partnerID=40&md5=46ccd5ccc87de431e8ccc831b9d97525	en
dc.subject.classification	Automation & Control Systems	en
dc.subject.classification	Engineering, Multidisciplinary	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.classification	Mathematics, Interdisciplinary Applications	en
dc.subject.other	WAVEGUIDES, CIRCULAR	en
dc.title	Cutoff wavenumbers and the field of surface wave modes of an eccentric circular Goubau waveguide	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	1980	en
heal.abstract	The cutoff wavenumbers knm and the field of surface wave modes of a circular cylindrical conductor eccentrically coated by a dielectric are determined analytically. The electromagnetic field is expressed in terms of circular cylindrical wave functions referred to both axes, in combination with related addition theorems. When the solutions are specialized to small eccentricities kd, where d is the distance between the two axes, exact closed-form expressions are obtained for the coefficients gnm in the resulting relation knm(d)=knm(0)[1+gnm(knmd)2+...] for the cutoff wavenumbers of the waveguide. Similar expressions are obtained for the field. Numerical results for all types of modes are given. For certain values of the parameters, it is possible to enhance the operating bandwidth of the basic hybrid mode HE11 over the conventional concentric guide. © 1980.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	Journal of the Franklin Institute	en
dc.identifier.isi	ISI:A1980JZ59600004	en
dc.identifier.volume	309	en
dc.identifier.issue	5	en
dc.identifier.spage	309	en
dc.identifier.epage	325	en