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Plasmonic sub-wavelength phase-gradient meta-surfaces for real time dispersive imaging

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Abstract

We have designed and fabricated a sub-wavelength plasmonic deflector based on phase-gradient meta-surfaces for dispersion imaging at 1.55um. We demonstrate dispersive imaging with <300μm resolution and 75.6% power efficiency by incorporating the fabricated plasmonic deflectors.

© 2014 Optical Society of America

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