Fiber refractometer based on a fiber Bragg grating and single-mode- multimode-single-mode fiber structure

Qiang Wu; Yuliya Semenova; Binbin Yan; Youqiao Ma; Pengfei Wang; Chongxiu Yu; Gerald Farrell

doi:10.1364/OL.36.002197

Fiber refractometer based on a fiber Bragg grating and single-mode- multimode-single-mode fiber structure

Qiang Wu, Yuliya Semenova, Binbin Yan, Youqiao Ma, Pengfei Wang, Chongxiu Yu, Gerald Farrell

School of Electrical and Electronic Engineering

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

Abstract

A refractive index (RI) sensor based on a novel fiber structure that consists of a single-mode-multimode-singlemode (SMS) fiber structure followed by a fiber Bragg grating was demonstrated. The multimode fiber in the SMS structure excites cladding modes within output single-mode fiber (SMF) and recouple the reflected cladding Bragg wavelength to the input SMF core. By measuring the relative Bragg wavelength shift between core and cladding Bragg wavelengths, the RI can be determined. Experimentally we have achieved a maximum sensitivity of 7:33nm=RIU (RI unit) at RI range from 1.324 to 1.439.

Original language	English
Pages (from-to)	2197-2199
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	12
DOIs	https://doi.org/10.1364/OL.36.002197
Publication status	Published - 15 Jun 2011

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title = "Fiber refractometer based on a fiber Bragg grating and single-mode- multimode-single-mode fiber structure",

abstract = "A refractive index (RI) sensor based on a novel fiber structure that consists of a single-mode-multimode-singlemode (SMS) fiber structure followed by a fiber Bragg grating was demonstrated. The multimode fiber in the SMS structure excites cladding modes within output single-mode fiber (SMF) and recouple the reflected cladding Bragg wavelength to the input SMF core. By measuring the relative Bragg wavelength shift between core and cladding Bragg wavelengths, the RI can be determined. Experimentally we have achieved a maximum sensitivity of 7:33nm=RIU (RI unit) at RI range from 1.324 to 1.439.",

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T1 - Fiber refractometer based on a fiber Bragg grating and single-mode- multimode-single-mode fiber structure

AU - Wu, Qiang

AU - Semenova, Yuliya

AU - Yan, Binbin

AU - Ma, Youqiao

AU - Wang, Pengfei

AU - Yu, Chongxiu

AU - Farrell, Gerald

PY - 2011/6/15

Y1 - 2011/6/15

N2 - A refractive index (RI) sensor based on a novel fiber structure that consists of a single-mode-multimode-singlemode (SMS) fiber structure followed by a fiber Bragg grating was demonstrated. The multimode fiber in the SMS structure excites cladding modes within output single-mode fiber (SMF) and recouple the reflected cladding Bragg wavelength to the input SMF core. By measuring the relative Bragg wavelength shift between core and cladding Bragg wavelengths, the RI can be determined. Experimentally we have achieved a maximum sensitivity of 7:33nm=RIU (RI unit) at RI range from 1.324 to 1.439.

AB - A refractive index (RI) sensor based on a novel fiber structure that consists of a single-mode-multimode-singlemode (SMS) fiber structure followed by a fiber Bragg grating was demonstrated. The multimode fiber in the SMS structure excites cladding modes within output single-mode fiber (SMF) and recouple the reflected cladding Bragg wavelength to the input SMF core. By measuring the relative Bragg wavelength shift between core and cladding Bragg wavelengths, the RI can be determined. Experimentally we have achieved a maximum sensitivity of 7:33nm=RIU (RI unit) at RI range from 1.324 to 1.439.

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SP - 2197

EP - 2199

JO - Optics Letters

JF - Optics Letters

IS - 12

ER -

Fiber refractometer based on a fiber Bragg grating and single-mode- multimode-single-mode fiber structure

Abstract

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