A Compact Sagnac Loop Based on a Microfiber Coupler for Twist Sensing

Ye Chen; Yuliya Semenova; Gerald Farrell; Fei Xu; Yan Qing Lu

doi:10.1109/LPT.2015.2478479

A Compact Sagnac Loop Based on a Microfiber Coupler for Twist Sensing

Ye Chen, Yuliya Semenova, Gerald Farrell, Fei Xu, Yan Qing Lu

School of Electrical and Electronic Engineering

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

35 Citations (Scopus)

Abstract

We present a compact highly sensitive microfiber coupler-based twist sensor formed by fusing and tapering two optical fibers and then connecting two of the pigtails to form a Sagnac loop. The device is miniature, low cost, and easily fabricated. The sensor has high twist sensitivities of ∼ 0.9 nm/° when measuring wavelength shift and ∼ 0.16 dB/° when measuring transmission power, both of which confirm that the sensor has good potential for application in the structural health monitoring and other areas.

Original language	English
Article number	7272084
Pages (from-to)	2579-2582
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	27
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2015.2478479
Publication status	Published - 15 Dec 2015

Keywords

Sagnac loop
Twist sensor
microfiber coupler

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10.1109/LPT.2015.2478479

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abstract = "We present a compact highly sensitive microfiber coupler-based twist sensor formed by fusing and tapering two optical fibers and then connecting two of the pigtails to form a Sagnac loop. The device is miniature, low cost, and easily fabricated. The sensor has high twist sensitivities of ∼ 0.9 nm/° when measuring wavelength shift and ∼ 0.16 dB/° when measuring transmission power, both of which confirm that the sensor has good potential for application in the structural health monitoring and other areas.",

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AU - Xu, Fei

AU - Lu, Yan Qing

PY - 2015/12/15

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AB - We present a compact highly sensitive microfiber coupler-based twist sensor formed by fusing and tapering two optical fibers and then connecting two of the pigtails to form a Sagnac loop. The device is miniature, low cost, and easily fabricated. The sensor has high twist sensitivities of ∼ 0.9 nm/° when measuring wavelength shift and ∼ 0.16 dB/° when measuring transmission power, both of which confirm that the sensor has good potential for application in the structural health monitoring and other areas.

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A Compact Sagnac Loop Based on a Microfiber Coupler for Twist Sensing

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Keywords

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