Analysis of spiral-slot-loaded, width-modulated, periodic microstrip lines

Ladislau Matekovits*, Mario Orefice, Karu P. Esselle

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

3 Citations (Scopus)

Abstract

The effect of a periodic reactive load on the phase velocity of a constant-width microstrip transmission line is investigated. The presence of resonant spiral slots etched in the ground plane modifies the electromagnetic response of the structure. It can be quantified by the phase velocity across the structure, the latter being extracted from the dispersion diagram. Because of the presence of the periodic load, the correct characterisation requires the consideration of higher order modes, or analysis in the second Brillouin zone. The dispersion diagram of a loaded width-modulated configuration presents interesting features, such as the presence of phase-independent modes. Combination of these responses with the band-gap structure allows design of devices with interesting and useful electromagnetic properties.

Original languageEnglish
Title of host publicationEuCAP 2010 - The 4th European Conference on Antennas and Propagation
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1-3
Number of pages3
ISBN (Electronic)9788476534724
ISBN (Print)9781424464319
Publication statusPublished - 2010
Event4th European Conference on Antennas and Propagation, EuCAP 2010 - Barcelona, Spain
Duration: 12 Apr 201016 Apr 2010

Other

Other4th European Conference on Antennas and Propagation, EuCAP 2010
CountrySpain
CityBarcelona
Period12/04/1016/04/10

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