Observation of defect formation in metamaterials

Date
2008-10
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Source Title
Optics InfoBase Conference Papers
Print ISSN
2162-2701
Electronic ISSN
Publisher
OSA
Volume
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Pages
1 - 2
Language
English
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Abstract

We report subwavelength localization of electromagnetic fields within cavities based on metamaterials. Cavity resonances are observed in the transmission spectrum of a split ring resonator and composite metamaterials cavity structures. These cavity resonances are shown to exhibit high quality factors. Since the unit cells of metamaterials are much smaller than the operation wavelength, subwavelength localization is possible within these metamaterial cavity structures. In the present paper, we show that the electromagnetic field is localized into a region of λ/8, where λ is the cavity resonance wavelength.

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