Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry
Abstract Brillouin optical correlation-domain analysis (BOCDA) utilizing low-coherence light sources offers high-resolution distributed strain and temperature sensing. However, conventional BOCDA requires dual-end injection of pump and probe light into the sensing fiber. To overcome this limitation,...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-10-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-44801-4 |
| _version_ | 1797559831312203776 |
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| author | Kenta Otsubo Guangtao Zhu Takaki Kiyozumi Kohei Noda Kentaro Nakamura Heeyoung Lee Yosuke Mizuno |
| author_facet | Kenta Otsubo Guangtao Zhu Takaki Kiyozumi Kohei Noda Kentaro Nakamura Heeyoung Lee Yosuke Mizuno |
| author_sort | Kenta Otsubo |
| collection | DOAJ |
| description | Abstract Brillouin optical correlation-domain analysis (BOCDA) utilizing low-coherence light sources offers high-resolution distributed strain and temperature sensing. However, conventional BOCDA requires dual-end injection of pump and probe light into the sensing fiber. To overcome this limitation, low-coherence Brillouin optical correlation-domain reflectometry (BOCDR) based on spontaneous Brillouin scattering has emerged, enabling single-end light injection. While a pilot demonstration has shown a spatial resolution of 19 cm, a comparison of its measurement accuracy with standard BOCDR systems is yet to be explored. This study presents a distributed measurement with ~ 3 cm spatial resolution and demonstrates that low-coherence BOCDR eliminates systematic errors caused by direct sinusoidal modulation, offering enhanced measurement precision. |
| first_indexed | 2024-03-10T17:50:52Z |
| format | Article |
| id | doaj.art-68bf14aa23564cf0b22f5bb09101beee |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-03-10T17:50:52Z |
| publishDate | 2023-10-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-68bf14aa23564cf0b22f5bb09101beee2023-11-20T09:22:04ZengNature PortfolioScientific Reports2045-23222023-10-011311810.1038/s41598-023-44801-4Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometryKenta Otsubo0Guangtao Zhu1Takaki Kiyozumi2Kohei Noda3Kentaro Nakamura4Heeyoung Lee5Yosuke Mizuno6Faculty of Engineering, Yokohama National UniversityFaculty of Engineering, Yokohama National UniversityFaculty of Engineering, Yokohama National UniversityFaculty of Engineering, Yokohama National UniversityInstitute of Innovative Research, Tokyo Institute of TechnologyCollege of Engineering, Shibaura Institute of TechnologyFaculty of Engineering, Yokohama National UniversityAbstract Brillouin optical correlation-domain analysis (BOCDA) utilizing low-coherence light sources offers high-resolution distributed strain and temperature sensing. However, conventional BOCDA requires dual-end injection of pump and probe light into the sensing fiber. To overcome this limitation, low-coherence Brillouin optical correlation-domain reflectometry (BOCDR) based on spontaneous Brillouin scattering has emerged, enabling single-end light injection. While a pilot demonstration has shown a spatial resolution of 19 cm, a comparison of its measurement accuracy with standard BOCDR systems is yet to be explored. This study presents a distributed measurement with ~ 3 cm spatial resolution and demonstrates that low-coherence BOCDR eliminates systematic errors caused by direct sinusoidal modulation, offering enhanced measurement precision.https://doi.org/10.1038/s41598-023-44801-4 |
| spellingShingle | Kenta Otsubo Guangtao Zhu Takaki Kiyozumi Kohei Noda Kentaro Nakamura Heeyoung Lee Yosuke Mizuno Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry Scientific Reports |
| title | Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry |
| title_full | Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry |
| title_fullStr | Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry |
| title_full_unstemmed | Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry |
| title_short | Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry |
| title_sort | systematic error suppression in low coherence brillouin optical correlation domain reflectometry |
| url | https://doi.org/10.1038/s41598-023-44801-4 |
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