Speckle-based interrogation system for quasi-distributed weak fiber Bragg gratings Article Swipe
Jinchao Tao
,
Liang Qin
,
Y. L. Li
,
Yanlong Meng
,
Yanqing Qiu
,
Pengwei Zhou
,
Chunliu Zhao
,
Juan Kang
,
Xianchao Zhang
,
Zhiguo Jiang
,
Le Wang
,
Yi Li
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3788/col202321.121601
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3788/col202321.121601
A simple quasi-distributed fiber sensing interrogation system based on random speckles is proposed for weak fiber Bragg gratings (WFBGs) in this work. Without using tunable lasers or spectrometers, a piece of multimode fiber is applied to interrogate the WFBGs relying on the wavelength sensitivity of speckles. Instead of the CCD sensor, an InGaAs quadrant detector serves as the receiver to capture the fast-changing speckle patterns. A supervised deep learning algorithm of the multilayer perceptron architecture is implemented to process speckle data and to interrogate temperature changes or dynamic strains. The proposed demodulation system is experimentally demonstrated for WFBGs with 0.1% reflectivity. The experimental results demonstrate that the new system is capable of measuring temperature change with an accuracy of 1°C and achieving dynamic frequency of 100 Hz. This speckle-based interrogation system paves a new way for distributed WFBGs sensing with a simple design.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3788/col202321.121601
- https://www.researching.cn/ArticlePdf/m00005/2023/21/12/121601.pdf
- OA Status
- bronze
- Cited By
- 2
- References
- 31
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4389568053
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https://openalex.org/W4389568053Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3788/col202321.121601Digital Object Identifier
- Title
-
Speckle-based interrogation system for quasi-distributed weak fiber Bragg gratingsWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-01-01Full publication date if available
- Authors
-
Jinchao Tao, Liang Qin, Y. L. Li, Yanlong Meng, Yanqing Qiu, Pengwei Zhou, Chunliu Zhao, Juan Kang, Xianchao Zhang, Zhiguo Jiang, Le Wang, Yi LiList of authors in order
- Landing page
-
https://doi.org/10.3788/col202321.121601Publisher landing page
- PDF URL
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https://www.researching.cn/ArticlePdf/m00005/2023/21/12/121601.pdfDirect link to full text PDF
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YesWhether a free full text is available
- OA status
-
bronzeOpen access status per OpenAlex
- OA URL
-
https://www.researching.cn/ArticlePdf/m00005/2023/21/12/121601.pdfDirect OA link when available
- Concepts
-
Optics, Speckle pattern, Fiber Bragg grating, Demodulation, Multi-mode optical fiber, Computer science, Interrogation, Fiber optic sensor, Materials science, Detector, Speckle noise, Wavelength, Optical fiber, Physics, Telecommunications, Archaeology, History, Channel (broadcasting)Top concepts (fields/topics) attached by OpenAlex
- Cited by
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2Total citation count in OpenAlex
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2025: 1, 2024: 1Per-year citation counts (last 5 years)
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31Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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