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Plasmonic Metamaterial Sensor with Ultra‐High Sensitivity in the Visible Spectral Range
Author(s) -
Fang Jinghua,
Levchenko Igor,
Yan Wei,
Aharonovich Igor,
Aramesh Morteza,
Prawer Steven,
Ostrikov Kostya Ken
Publication year - 2015
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.201400577
Subject(s) - materials science , plasmon , metamaterial , refractive index , optoelectronics , sensitivity (control systems) , range (aeronautics) , visible spectrum , optics , thin film , nanotechnology , composite material , physics , electronic engineering , engineering
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 cm 2 , and the overall transmission is tunable by varying the film thickness.