Title :
Ultra-sensitive refractive index sensor utilizing plasmonic resonance splitting
Author :
Yifat, Yuval ; Eitan, Michal ; Iluz, Zeev ; Boag, Amir ; Hanein, Yael ; Scheuer, Jacob
Author_Institution :
Dept. of Phys. Electron., Tel-Aviv Univ., Tel-Aviv, Israel
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.
Keywords :
nanophotonics; optical arrays; optical sensors; refractive index measurement; surface plasmons; plasmonic resonance splitting; plasmonic slot nano-antenna arrays; refractive index sensor; resonance splitting phenomenon; small incidence angles; ultra-sensitive RI sensor; Antenna arrays; Antenna measurements; Plasmons; Refractive index; Sensitivity; Sensors; Slot antennas;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
