EM-Based Space Mapping Optimization of Left-handed Coplanar Waveguide Filters with Split Ring Resonators

For the first time, an automated design procedure based on space mapping techniques is developed for the EM-based optimization of left-handed coplanar waveguide (CPW) filters based on split ring resonators (SRRs). Our design procedure is based on a constrained Broyden-based input multistage space ma...

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Bibliographic Details
Main Authors: Rogla, L.J., Rayas-Sanchez, J.E., Boria, V.E., Carbonell, J.
Format: Conference Proceeding
Language:English
Subjects:
Algorithm design and analysis
Band pass filters
Broyden
Coplanar waveguide
Coplanar waveguides
Design optimization
Electromagnetic waveguides
Equivalent circuits
filter design
Frequency
left-handed structures
Metamaterials
Optical ring resonators
Resonator filters
space mapping
split ring resonator
surrogate modeling
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Description
Summary:For the first time, an automated design procedure based on space mapping techniques is developed for the EM-based optimization of left-handed coplanar waveguide (CPW) filters based on split ring resonators (SRRs). Our design procedure is based on a constrained Broyden-based input multistage space mapping strategy, using a statistical approach to parameter extraction (PE). Pre-conditioning of the coarse model design parameters is used at each PE iteration, imposed by the severely bounded region of validity of the equivalent circuit model. The space mapping algorithm effectively aligns equivalent circuit responses with simulated results provided by full-wave electromagnetic simulation tools. Our method is illustrated by the EM-based design of a CPW bandpass filter with 3 SRRs.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2007.380267