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Very Compact Bandstop Filters Based on Miniaturized Complementary Metamaterial Resonators
European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France; Moroccan School of Engineering Science of Rabat, Rabat, Morocco
European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France; Moroccan School of Engineering Science of Rabat, Rabat, Morocco
European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France
- 1 European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France; Moroccan School of Engineering Science of Rabat, Rabat, Morocco
- 2 European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France; Moroccan School of Engineering Science of Rabat, Rabat, Morocco
- 3 European University of Bretagne, National Institute of Applied Science of Rennes, Institute of Electronic and Telecommunication of Rennes, Rennes, France
Wireless Engineering and Technology·Volume 04 (2013)·Pages 101–104·Published 16 April 2013·DOI10.4236/wet.2013.42015
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Abstract
In this paper, a design of very compact microstrip bandstop filters based on complementary split ring resonators (CSRRs) is proposed. Two techniques of metamaterial miniaturization are used to optimize the physical and electrical size of the CSRR. The bandstop filter is produced by an array of miniaturized loaded CSRRs etched on the center line of a microstrip. The size of the proposed filter, is as small as 0.58 cm 2 , and its electrical length is very small with only 0 . 08 λ 0 ), compared to a conventional bandstop filter, a miniaturization of a factor 5 while the bandstop performance is maintained. A very good agreement obtained between the measurement and the simulation results.
KeywordsMetamaterialsBandstop FilterComplementary Split Ring Resonators (CSRRs)
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