Sensing Characteristics of a Grating-Based Fabry-Perot Structure in a Biconical Tapered Fiber

Sensing Characteristics of a Grating-Based Fabry-Perot Structure in a Biconical Tapered Fiber
Title:
Sensing Characteristics of a Grating-Based Fabry-Perot Structure in a Biconical Tapered Fiber
Other Titles:
2019 IEEE 4th Optoelectronics Global Conference (OGC)
Keywords:
Publication Date:
03 September 2019
Citation:
A. Madan, V. Paulose, W. Chang, P. P. Shum and J. Hao, "Sensing Characteristics of a Grating-Based Fabry-Perot Structure in a Biconical Tapered Fiber," 2019 IEEE 4th Optoelectronics Global Conference (OGC), Shenzhen, China, 2019, pp. 107-111. doi: 10.1109/OGC.2019.8925018
Abstract:
In this article, we present the sensing characteristics of a fiber Bragg grating (FBG) based Fabry-Perot (FP) structure in an acrylate coated biconical tapered fiber. The fiber-diameter was tapered down to 70 mm using flame brushing technique followed by point-by-point writing of the FP structure within the fiber core using infrared femtosecond laser pulse irradiation. The sensing structure consists of two identical gratings separated by a small gap. The strain characteristics, ranging up to 3440 me, and the temperature characteristics, ranging up to 225 C, have been investigated. The sensing sensitivities for strain and temperature were found out to be 2.32 pm/me and 8.86 pm/ C, respectively.
License type:
PublisherCopyrights
Funding Info:
Nanyang Technological University.
Description:
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
ISSN:
978-1-7281-5537-1
978-1-7281-5539-5
ISBN:
978-1-7281-5538-8
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