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Metasurface Engaged with a Plasmonic Spiral Achieve Super Functional Lensing

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Abstract

We realized metasurface spiral plasmonic lenses, mitigating efficiency and functionality issues of conventional plasmonic lenses. The lens enhances the efficiency of linear-polarization-invariant focusing and enhances even further the efficiency of high contrast, circular dichroic detection.

© 2015 Optical Society of America

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