Journal
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume 19, Issue 4, Pages 197-199Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2009.2015490
Keywords
Band pass filters (BPFs); coplanar waveguide (CM); duality; electrically small resonators; split ring resonators (SRRs)
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Funding
- MEC [TEC2007-68013-CO2]
- MCI [CSD2008-00066]
- CIMITEC [2005SGR-00624]
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In this letter, open complementary split ring resonators (OCSRRs) are introduced for the first time. Such resonators are the dual counterparts of the open split ring resonators (OSRRs), introduced in 2004 by some of the authors, and consist on a pair of concentric hooks etched on a metal layer in opposite orientation. It is shown in the letter that OCSRRs can be modeled by means of an LC parallel resonant tank and that this particle roughly exhibits half the resonance frequency of the complementary split ring resonator (CSRR), hence being electrically very small. The interest of these resonators is illustrated through their application to a wideband coplanar waveguide band pass filter.
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