Directional Bending Sensor Based on a Dual Side-Hole Fiber Mach-Zehnder Interferometer

Ye Tian; Quan Chai; Tao Tan; Boxin Mu; Qiang Liu; Yanlei Liu; Jing Ren; Jianzhong Zhang; Kyunghwan Oh; Elfed Lewis; Jun Yang; Zhihai Liu; Wenping Zhang; Libo Yuan

doi:10.1109/LPT.2017.2786338

Directional Bending Sensor Based on a Dual Side-Hole Fiber Mach-Zehnder Interferometer

Ye Tian, Quan Chai, Tao Tan, Boxin Mu, Qiang Liu, Yanlei Liu, Jing Ren, Jianzhong Zhang, Kyunghwan Oh, Elfed Lewis, Jun Yang, Zhihai Liu, Wenping Zhang, Libo Yuan

Department of Physics

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

32 Citations (Scopus)

Abstract

A new directional bending sensor based on a dual side-hole fiber (DSHF) that can detect both the direction and magnitude of bending in a self-temperature compensated manner is described and experimentally demonstrated. The sensor is based on an in-fiber Mach-Zehnder interferometer (MZI), where a DSHF segment was spliced between two standard single-mode fibers (SMFs) as input and output. The sensor has two orthogonal axes which are formed by both the asymmetry in the side-hole location in DSHF and an offset in the fusion splice between the SMF and DSHF. The visibility in the MZI output intensity and the spectral shifts of MZI fringes show separate responses to the bending curvature and direction, which is a key feature of the directional curvature sensor. An inscribed fiber Bragg grating in the DSHF measure allows the temperature to be measured independently. The sensor can provide salient advantages in its unique capability to precisely quantify the direction and magnitude of bending along with its reproducibility, compactness, and suitability for mass production, which makes it suitable for many practical bending sensing applications.

Original language	English
Article number	8234575
Pages (from-to)	375-378
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	30
Issue number	4
DOIs	https://doi.org/10.1109/LPT.2017.2786338
Publication status	Published - 2018 Feb 15

Bibliographical note

Funding Information:
Manuscript received September 17, 2017; revised November 23, 2017; accepted December 19, 2017. Date of publication December 22, 2017; date of current version January 30, 2018. This work was supported in part by the National Natural Science Foundation of China under Grant 61377096, Grant 61775045, Grant 61605030, and Grant 61422505, in part by the Heilongjiang Young Researcher Support Project under Grant 1253G018, in part by the National Key Scientific Instrument and Equipment Development Project under Grant 2013YQ040815 and Grant 2016YFF 0200704, in part by the Fundamental Research Funds of the Central University, China, and in part by Harbin Engineering University through the 111 Project under Grant B13015. (Corresponding authors: Jianzhong Zhang; Jun Yang.) Y. Tian, Q. Chai, T. Tan, B. Mu, Q. Liu, Y. Liu, J. Ren, J. Zhang, J. Yang, Z. Liu, and L. Yuan are with the Key Laboratory of In-Fiber Integrated Optics of Ministry of Education, Harbin Engineering University, Harbin 150001, China (e-mail: zhangjianzhong@hrbeu.edu.cn; yangjun@hrbeu.edu.cn).

Publisher Copyright:
© 1989-2012 IEEE.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2017.2786338

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title = "Directional Bending Sensor Based on a Dual Side-Hole Fiber Mach-Zehnder Interferometer",

abstract = "A new directional bending sensor based on a dual side-hole fiber (DSHF) that can detect both the direction and magnitude of bending in a self-temperature compensated manner is described and experimentally demonstrated. The sensor is based on an in-fiber Mach-Zehnder interferometer (MZI), where a DSHF segment was spliced between two standard single-mode fibers (SMFs) as input and output. The sensor has two orthogonal axes which are formed by both the asymmetry in the side-hole location in DSHF and an offset in the fusion splice between the SMF and DSHF. The visibility in the MZI output intensity and the spectral shifts of MZI fringes show separate responses to the bending curvature and direction, which is a key feature of the directional curvature sensor. An inscribed fiber Bragg grating in the DSHF measure allows the temperature to be measured independently. The sensor can provide salient advantages in its unique capability to precisely quantify the direction and magnitude of bending along with its reproducibility, compactness, and suitability for mass production, which makes it suitable for many practical bending sensing applications.",

author = "Ye Tian and Quan Chai and Tao Tan and Boxin Mu and Qiang Liu and Yanlei Liu and Jing Ren and Jianzhong Zhang and Kyunghwan Oh and Elfed Lewis and Jun Yang and Zhihai Liu and Wenping Zhang and Libo Yuan",

note = "Funding Information: Manuscript received September 17, 2017; revised November 23, 2017; accepted December 19, 2017. Date of publication December 22, 2017; date of current version January 30, 2018. This work was supported in part by the National Natural Science Foundation of China under Grant 61377096, Grant 61775045, Grant 61605030, and Grant 61422505, in part by the Heilongjiang Young Researcher Support Project under Grant 1253G018, in part by the National Key Scientific Instrument and Equipment Development Project under Grant 2013YQ040815 and Grant 2016YFF 0200704, in part by the Fundamental Research Funds of the Central University, China, and in part by Harbin Engineering University through the 111 Project under Grant B13015. (Corresponding authors: Jianzhong Zhang; Jun Yang.) Y. Tian, Q. Chai, T. Tan, B. Mu, Q. Liu, Y. Liu, J. Ren, J. Zhang, J. Yang, Z. Liu, and L. Yuan are with the Key Laboratory of In-Fiber Integrated Optics of Ministry of Education, Harbin Engineering University, Harbin 150001, China (e-mail: zhangjianzhong@hrbeu.edu.cn; yangjun@hrbeu.edu.cn). Publisher Copyright: {\textcopyright} 1989-2012 IEEE.",

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AU - Tian, Ye

AU - Chai, Quan

AU - Tan, Tao

AU - Mu, Boxin

AU - Liu, Qiang

AU - Liu, Yanlei

AU - Ren, Jing

AU - Zhang, Jianzhong

AU - Oh, Kyunghwan

AU - Lewis, Elfed

AU - Yang, Jun

AU - Liu, Zhihai

AU - Zhang, Wenping

AU - Yuan, Libo

N1 - Funding Information: Manuscript received September 17, 2017; revised November 23, 2017; accepted December 19, 2017. Date of publication December 22, 2017; date of current version January 30, 2018. This work was supported in part by the National Natural Science Foundation of China under Grant 61377096, Grant 61775045, Grant 61605030, and Grant 61422505, in part by the Heilongjiang Young Researcher Support Project under Grant 1253G018, in part by the National Key Scientific Instrument and Equipment Development Project under Grant 2013YQ040815 and Grant 2016YFF 0200704, in part by the Fundamental Research Funds of the Central University, China, and in part by Harbin Engineering University through the 111 Project under Grant B13015. (Corresponding authors: Jianzhong Zhang; Jun Yang.) Y. Tian, Q. Chai, T. Tan, B. Mu, Q. Liu, Y. Liu, J. Ren, J. Zhang, J. Yang, Z. Liu, and L. Yuan are with the Key Laboratory of In-Fiber Integrated Optics of Ministry of Education, Harbin Engineering University, Harbin 150001, China (e-mail: zhangjianzhong@hrbeu.edu.cn; yangjun@hrbeu.edu.cn). Publisher Copyright: © 1989-2012 IEEE.

PY - 2018/2/15

Y1 - 2018/2/15

N2 - A new directional bending sensor based on a dual side-hole fiber (DSHF) that can detect both the direction and magnitude of bending in a self-temperature compensated manner is described and experimentally demonstrated. The sensor is based on an in-fiber Mach-Zehnder interferometer (MZI), where a DSHF segment was spliced between two standard single-mode fibers (SMFs) as input and output. The sensor has two orthogonal axes which are formed by both the asymmetry in the side-hole location in DSHF and an offset in the fusion splice between the SMF and DSHF. The visibility in the MZI output intensity and the spectral shifts of MZI fringes show separate responses to the bending curvature and direction, which is a key feature of the directional curvature sensor. An inscribed fiber Bragg grating in the DSHF measure allows the temperature to be measured independently. The sensor can provide salient advantages in its unique capability to precisely quantify the direction and magnitude of bending along with its reproducibility, compactness, and suitability for mass production, which makes it suitable for many practical bending sensing applications.

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Directional Bending Sensor Based on a Dual Side-Hole Fiber Mach-Zehnder Interferometer

Abstract

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