Extraordinary sensitivity in optical microfiber based refractive index sensors near the turning point of turning point of effective group index difference
Date of Issue2016
Asia Communications and Photonics Conference
School of Electrical and Electronic Engineering
We show that optical microfiber coupler sensors operating near the dispersion turning point can achieve ultrahigh refractive index (RI) sensitivity at RI around 1.33. It opens up new opportunities to ultra-sensitive biochemical sensing.
Fiber optics sensors
© 2016 The Author(s) Optical Society of America (OSA). This paper was published in Asia Communications and Photonics Conference and is made available as an electronic reprint (preprint) with permission of The Author(s) Optical Society of America (OSA). The published version is available at: [http://dx.doi.org/10.1364/ACPC.2016.AF1B.5]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.