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Dual parametric simultaneous measurement based on ring-core fiber based MZI cascaded with FBG.

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Title: Dual parametric simultaneous measurement based on ring-core fiber based MZI cascaded with FBG.
Authors: Nie, Wenjie1,2 (AUTHOR), Du, Jie1,2 (AUTHOR), Zhang, Qishuang1,3 (AUTHOR), Wang, Ying1 (AUTHOR), Ren, Ziyan1 (AUTHOR), Ling, Qiang1,4 (AUTHOR) qianglingoptics@zjnu.edu.cn, Gu, Zhengtian2 (AUTHOR) zhengtiangu@163.com, Zhang, Yusheng1,4 (AUTHOR), Jiang, Xiuli3 (AUTHOR), Yu, Zhangwei1,4 (AUTHOR) yuzhangwei@zjnu.cn, Chen, Daru1,4 (AUTHOR)
Source: Applied Physics B: Lasers & Optics. Jul2025, Vol. 131 Issue 7, p1-8. 8p.
Subjects: Fiber Bragg gratings, Optical interferometers, Detectors, Industrial applications, Sensitivity analysis, Optical fibers
Abstract: In the paper, we proposed and experimentally demonstrated a novel sensor for dual parametric simultaneous measurement based on ring-core fiber (RCF)-Mach–Zehnder interferometer (MZI) cascaded with Fiber Bragg grating (FBG). By splicing single mode fibers (SMFs) at both ends of the RCF, two up-taper structures are formed, which act as a beam splitter and a coupler in the MZI, respectively. The experiment proves that the RCF-based MZI has sensitivities of curvature in the range from 0 to 1.71 m−1 and temperature in the range from 30 to 90℃ of this measurement are − 1.25 nm/m−1 and 0.061 nm/℃ while the fitting coefficients are 0.978 and 0.994. The FBG, as a temperature monitor, has no responding to curvature changing, and the temperature sensitivity of 0.0097 nm/℃. The coefficient matrix method is used to measure the curvature and temperature simultaneously, and the problem of temperature cross sensitivity is eliminated. Not only is the sensor capable of simultaneously measuring both curvature and temperature through a straightforward fabrication process, but this sensor has the advantages of high sensitivity, compact structure, low cost and simple fabrication, which makes it have a further application prospect in industrial production. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Dual parametric simultaneous measurement based on ring-core fiber based MZI cascaded with FBG.
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  Data: <searchLink fieldCode="AR" term="%22Nie%2C+Wenjie%22">Nie, Wenjie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Jie%22">Du, Jie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qishuang%22">Zhang, Qishuang</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Ying%22">Wang, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ren%2C+Ziyan%22">Ren, Ziyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ling%2C+Qiang%22">Ling, Qiang</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> qianglingoptics@zjnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Gu%2C+Zhengtian%22">Gu, Zhengtian</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zhengtiangu@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yusheng%22">Zhang, Yusheng</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Xiuli%22">Jiang, Xiuli</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Zhangwei%22">Yu, Zhangwei</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> yuzhangwei@zjnu.cn</i><br /><searchLink fieldCode="AR" term="%22Chen%2C+Daru%22">Chen, Daru</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+B%3A+Lasers+%26+Optics%22">Applied Physics B: Lasers & Optics</searchLink>. Jul2025, Vol. 131 Issue 7, p1-8. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Fiber+Bragg+gratings%22">Fiber Bragg gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+interferometers%22">Optical interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+applications%22">Industrial applications</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+analysis%22">Sensitivity analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+fibers%22">Optical fibers</searchLink>
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  Data: In the paper, we proposed and experimentally demonstrated a novel sensor for dual parametric simultaneous measurement based on ring-core fiber (RCF)-Mach–Zehnder interferometer (MZI) cascaded with Fiber Bragg grating (FBG). By splicing single mode fibers (SMFs) at both ends of the RCF, two up-taper structures are formed, which act as a beam splitter and a coupler in the MZI, respectively. The experiment proves that the RCF-based MZI has sensitivities of curvature in the range from 0 to 1.71 m−1 and temperature in the range from 30 to 90℃ of this measurement are − 1.25 nm/m−1 and 0.061 nm/℃ while the fitting coefficients are 0.978 and 0.994. The FBG, as a temperature monitor, has no responding to curvature changing, and the temperature sensitivity of 0.0097 nm/℃. The coefficient matrix method is used to measure the curvature and temperature simultaneously, and the problem of temperature cross sensitivity is eliminated. Not only is the sensor capable of simultaneously measuring both curvature and temperature through a straightforward fabrication process, but this sensor has the advantages of high sensitivity, compact structure, low cost and simple fabrication, which makes it have a further application prospect in industrial production. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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        PageCount: 8
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      – SubjectFull: Fiber Bragg gratings
        Type: general
      – SubjectFull: Optical interferometers
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      – SubjectFull: Detectors
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      – SubjectFull: Industrial applications
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      – SubjectFull: Optical fibers
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      – TitleFull: Dual parametric simultaneous measurement based on ring-core fiber based MZI cascaded with FBG.
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              Text: Jul2025
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