Optimization and tunability of deep subwavelength resonators for metamaterial applications: complete enhanced transmission through a subwavelength aperture
Date
2009Source Title
Optics Express
Print ISSN
10944087
Publisher
Optical Society of American (OSA)
Volume
17
Issue
8
Pages
5933 - 5943
Language
English
Type
ArticleItem Usage Stats
156
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views
108
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Abstract
In the present work, we studied particle candidates for metamaterial applications, especially in terms of their electrical size and resonance strength. The analyzed particles can be easily produced via planar fabrication techniques. The electrical size of multi-split ring resonators, spiral resonators, and multi-spiral resonators are reported as a function of the particle side length and substrate permittivity. The study is continued by demonstrating the scalability of the particles to higher frequencies and the proposition of the optimized particle for antenna, absorber, and superlens applications: a multi-spiral resonator with ë/30 electrical size operating at 0.810 GHz. We explain a method for tuning the resonance frequency of the multi-split structures. Finally, we demonstrate that by inserting deep subwavelength resonators into periodically arranged subwavelength apertures, complete transmission enhancement can be obtained at the magnetic resonance frequency. © 2009 Optical Society of America.
Keywords
ApplicationsNatural frequencies
Wave transmission
Enhanced transmissions
Higher frequencies
Planar fabrications
Resonance frequencies
Resonance strengths
Side lengths
Spiral resonators
Split ring resonators
Sub-wavelength apertures
Sub-wavelength resonators
Superlens
Transmission enhancements
Tunability
Resonators
article
computer aided design
equipment
equipment design
instrumentation
materials
optical instrumentation
refractometry
reproducibility
sensitivity and specificity
transducer
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Manufactured Materials
Optical Devices
Refractometry
Reproducibility of Results
Sensitivity and Specificity
Transducers
Permalink
http://hdl.handle.net/11693/22778Published Version (Please cite this version)
http://dx.doi.org/10.1364/OE.17.005933Collections
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