Open Complementary Split Ring Resonators (OCSRRs) and Their Application to Wideband CPW Band Pass Filters

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 op...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2009-04, Vol.19 (4), p.197-199
Main Authors: Velez, A., Aznar, F., Bonache, J., Velazquez-Ahumada, M.C., Martel, J., Martin, F.
Format: Article
Language:English
Subjects:
Applied sciences
Band pass filters
Band pass filters (BPFs)
Bandpass filters
Capacitance
Circuit properties
Circuits
coplanar waveguide (CPW)
Coplanar waveguides
duality
Electric, optical and optoelectronic circuits
electrically small resonators
Electronic circuits
Electronics
Etching
Exact sciences and technology
Frequency filters
Hooks
Inductance
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Optical ring resonators
Orientation
Oscillators, resonators, synthetizers
Resonance
Resonators
split ring resonators (SRRs)
Strips
Tanks
Wideband
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Summary: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.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2009.2015490