Refractive index and strain sensing using inline Mach-Zehnder interferometer comprising perfluorinated graded-index plastic optical fiber

被引：39
作者：
Jasim, A. A. [1 ,2 ]
Hayashi, N. [3 ]
Harun, S. W. [1 ,2 ]
Ahmad, H. [2 ]
Penny, R. [2 ]
Mizuno, Y. [3 ]
Nakamura, K. [3 ]
机构：
[1] Univ Malaya, Dept Elect Engn, Fac Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[3] Tokyo Inst Technol, Precis & Intelligence Lab, Yokohama, Kanagawa 2268503, Japan
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2014年 / 219卷
基金：
日本学术振兴会;
关键词：
Tapered fibers; Plastic optical fibers; Heat-and-pull technique; Inline Mach-Zehnder interferometry; Refractive-index sensing; Strain sensing; PHOTONIC-CRYSTAL-FIBER; FABRY-PEROT-INTERFEROMETER; SENSOR;
D O I：
10.1016/j.sna.2014.07.018
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper details the fabrication and performance evaluation of an inline Mach-Zehnder interferometer (MZI) consisting of a perfluorinated graded-index plastic optical fiber fabricated via a heat-and-pull tapering technique. This MZI exhibits interference fringes that are sufficiently sharp for usage as refractive-index (RI) and strain sensors. These interference fringes shift linearly with the RI of the surrounding medium, with a proportionality constant of 3.44 nm/RI unit. The measured strain sensitivity of 0.2 pm/mu epsilon suggests that the MZI may be viable for strain-sensing applications. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：94 / 99
页数：6
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