Plasmonic Metamaterial Sensor with Ultra-High Sensitivity in the Visible Spectral Range

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Journal Article
Advanced Optical Materials, 2015, 3 (6), pp. 750 - 755
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A metamaterial-based plasmonic sensor composed of thin metal and polymer layers deposited on top of a highly ordered porous alumina exhibits a sensitivity of more than 4800 nm per refractive index unit in the visible spectral range. The device is robust, cheap, has a large functional area of about 2 cm2, and the overall transmission is tunable by varying the film thickness.
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