High-sensitivity, evanescent field refractometric sensor based on a tapered, multimode fiber interference

Pengfei Wang; Gilberto Brambilla; Ming Ding; Yuliya Semenova; Qiang Wu; Gerald Farrell

doi:10.1364/OL.36.002233

High-sensitivity, evanescent field refractometric sensor based on a tapered, multimode fiber interference

Pengfei Wang, Gilberto Brambilla, Ming Ding, Yuliya Semenova, Qiang Wu, Gerald Farrell

School of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

We propose and experimentally demonstrate an enhanced evanescent field fiber refractometer based on a tapered multimode fiber sandwiched between two single-mode fibers. Experiments show that this fiber sensor offers ultrahigh sensitivity [better than 1900nm=RIU at a refractive index (RI) of 1.44] for RI measurements within the range of 1:33-1:44, in agreement with the theoretical predictions. This is the highest value reported to date (to our knowledge) in the literature.

Original language	English
Pages (from-to)	2233-2235
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	12
DOIs	https://doi.org/10.1364/OL.36.002233
Publication status	Published - 15 Jun 2011

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abstract = "We propose and experimentally demonstrate an enhanced evanescent field fiber refractometer based on a tapered multimode fiber sandwiched between two single-mode fibers. Experiments show that this fiber sensor offers ultrahigh sensitivity [better than 1900nm=RIU at a refractive index (RI) of 1.44] for RI measurements within the range of 1:33-1:44, in agreement with the theoretical predictions. This is the highest value reported to date (to our knowledge) in the literature.",

author = "Pengfei Wang and Gilberto Brambilla and Ming Ding and Yuliya Semenova and Qiang Wu and Gerald Farrell",

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AU - Wang, Pengfei

AU - Brambilla, Gilberto

AU - Ding, Ming

AU - Semenova, Yuliya

AU - Wu, Qiang

AU - Farrell, Gerald

PY - 2011/6/15

Y1 - 2011/6/15

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AB - We propose and experimentally demonstrate an enhanced evanescent field fiber refractometer based on a tapered multimode fiber sandwiched between two single-mode fibers. Experiments show that this fiber sensor offers ultrahigh sensitivity [better than 1900nm=RIU at a refractive index (RI) of 1.44] for RI measurements within the range of 1:33-1:44, in agreement with the theoretical predictions. This is the highest value reported to date (to our knowledge) in the literature.

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JF - Optics Letters

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ER -

High-sensitivity, evanescent field refractometric sensor based on a tapered, multimode fiber interference

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