Attenuation of a shielded rectangular dielectric rod waveguide

Wells, Colin G. and Ball, James A. R. (2006) Attenuation of a shielded rectangular dielectric rod waveguide. IEEE Transactions on Microwave Theory and Techniques, 54 (7). pp. 3013-3018. ISSN 0018-9480

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Abstract

The attenuation coefficient of a rectangular dielectric line
enclosed by a rectangular shield is obtained by the use of a
rigorous mode matching method to calculate the required mode field intensity. The cross-section of the waveguide is overlaid by a grid, and numerical integration is used to determine the power flow, dielectric and conductor losses and respective attenuation coefficients. To obtain experimental verification, a length of waveguide was made into a resonator, and measured and calculated Q factors compared. The results for the Ey11 mode show how the influence of the shield decreases with distance. This is
relevant to the design of dielectric waveguide structures and in filter applications where dielectric resonators are used.

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Item Type:	Article (Commonwealth Reporting Category C)
Refereed:	Yes
Item Status:	Live Archive
Additional Information:	Published version deposited in accordance with the copyright policy of the publisher. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. Copyright 2006 IEEE. Personal use of this material is permitted. This material is posted here with permission of the IEEE. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Faculty / Department / School:	Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering
Date Deposited:	11 Oct 2007 00:41
Last Modified:	02 Jul 2013 22:37
Uncontrolled Keywords:	attenuation; dielectric waveguides; shielding; numerical analysis; mode matching methods; conductor losses; numerical integration; power flow
Fields of Research :	09 Engineering > 0906 Electrical and Electronic Engineering > 090607 Power and Energy Systems Engineering (excl. Renewable Power) 10 Technology > 1005 Communications Technologies > 100505 Microwave and Millimetrewave Theory and Technology 09 Engineering > 0913 Mechanical Engineering > 091307 Numerical Modelling and Mechanical Characterisation
Socio-Economic Objective:	E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering
Identification Number or DOI:	doi: 10.1109/TMTT.2006.877056
URI:	http://eprints.usq.edu.au/id/eprint/1377

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