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Conferences > CLEO_QELS > 2014 > FM3K > FM3K.5

Ultra-Sensitive Refractive Index Sensor Utilizing Plasmonic Resonance Splitting

Yuval Yifat, Michal Eitan, Zeev Iluz, Amir Boag, Yael Hanein, and Jacob Scheuer

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Abstract

We demonstrate experimentally an ultra-sensitive RI sensor based on plasmonic slot nano-antenna arrays utilizing a novel resonance splitting phenomenon observed at small incidence angles. Sensitivities exceeding 1000nm/RIU and high FOM exceeding 50 are demonstrated.

© 2014 Optical Society of America

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