Microwave and Optical Technology Letters

Volume 52, Issue 4 pp. 904-909

Composite right/left-handed metamaterial transmission lines with unconventional dispersion and applications

Gerard Sisó,

Gerard Sisó

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

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Jordi Bonache,

Jordi Bonache

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

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Ferran Martín,

Corresponding Author

Ferran Martín

[email protected]

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, SpainSearch for more papers by this author

Gerard Sisó,

Gerard Sisó

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

Search for more papers by this author

Jordi Bonache,

Jordi Bonache

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

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Ferran Martín,

Corresponding Author

Ferran Martín

[email protected]

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, Spain

CIMITEC-Departament d'Enginyeria Electrònica, Universitat Autònoma de Barcelona, BELLATERRA (Barcelona) 08193, SpainSearch for more papers by this author

First published: 16 February 2010

https://doi.org/10.1002/mop.25077

Citations: 4

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Abstract

In this article, novel metamaterial transmission lines exhibiting right-handed wave propagation at low frequencies and left-handed wave transmission at high frequencies are presented. The unconventional dispersion characteristics of these composite right/left-handed transmission lines is obtained by parallel connecting left-handed and right-handed unit cells, both implemented by using complementary split-ring resonators. Thanks to the diplexer action of the structure, either the right-handed (tuned at the lower frequency band) or the left-handed (tuned at the upper frequency band) unit cell transmits the injected power, thus achieving the unconventional dispersion of the structure. It is also shown in this article that these artificial lines are of interest for the design of certain microwave components exhibiting dual-band characteristics. Examples are provided including design and characterization. The measurements are indicative of good device performance at the two operating bands and wide bandwidths. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:904–909, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25077

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Volume52, Issue4

April 2010

Pages 904-909

Composite right/left-handed metamaterial transmission lines with unconventional dispersion and applications

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Composite right/left-handed metamaterial transmission lines with unconventional dispersion and applications

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