@inproceedings{98ace71eb27a408b94e0ff193d9fc13c,
title = "Nano slot-antenna array refractive index sensors: Approaching the conventional theoretical limit of the figure of merit",
abstract = "We demonstrate a refractive index (RI) detection technique based on an array of nanometer scale slot-antennas milled in a thin gold layer using a single lithographic step. Our experimental Figures of merit (FOMs) of 140-210 in the telecom wavelength range approach the fundamental limit for standard propagating SPR sensors (∼250). The underlying mechanism enabling such high FOMs is the combination of a narrowband resonance of the slot-antennas with degeneracy breaking of Woods anomaly under slightly non-perpendicular illumination. In addition, we study the sensitivity of the thickness of the analyte layer. This concept can be easily tuned to any desired wavelength and RI range by modifying the slot dimensions and the array spacing, thus rendering it highly attractive for numerous sensing applications.",
keywords = "Figurer of merit (FOM), Wood's Anomaly, nano-antennas, refractive index sensing, surface plasmon resonance",
author = "Michal Eitan and Yuval Yifat and Zeev Iluz and Amir Boag and Yael Hanein and Jacob Scheuer",
note = "Publisher Copyright: {\textcopyright} 2015 SPIE.; Optical Sensors 2015 ; Conference date: 13-04-2015 Through 16-04-2015",
year = "2015",
doi = "10.1117/12.2183101",
language = "אנגלית",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Francesco Baldini and Lieberman, {Robert A.} and Jiri Homola",
booktitle = "Optical Sensors 2015",
address = "ארצות הברית",
}