Bending-Loss-Resistant Distributed Temperature and Strain Discriminative Brillouin Sensor Based on 98 mol% Germania-Doped Few-Mode Fiber
Temperature-strain cross-sensitivity and bending-induced optical loss are two major limitations that challenge the in-situ application of distributed optical fiber sensors. Researchers have attempted to solve these two issues but seldom can overcome both. This paper proposes a novel bending-loss-res...
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| Veröffentlicht in: | Journal of lightwave technology 2023-07, Vol.41 (14), p.4854-4861 |
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| creator | Xu, Pengbai Peng, Yihao Wen, Kunhua Sun, Yuehui Dong, Xinyong Yang, Jun Qin, Yuwen |
| description | Temperature-strain cross-sensitivity and bending-induced optical loss are two major limitations that challenge the in-situ application of distributed optical fiber sensors. Researchers have attempted to solve these two issues but seldom can overcome both. This paper proposes a novel bending-loss-resistant distributed temperature and strain discriminative sensor that is based on a 98 mol% germania-doped few-mode fiber and a standard Brillouin optical time-domain analysis setup. In a proof-of-concept demonstration, distributed temperature and strain discriminative measurements were conducted under a bending radius of 0.6 cm, where the maximum temperature and strain deviation were 2.78 °C and 33.2 {\rm{\mu }}\varepsilon, respectively. |
| doi_str_mv | 10.1109/JLT.2023.3244319 |
| format | Article |
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Researchers have attempted to solve these two issues but seldom can overcome both. This paper proposes a novel bending-loss-resistant distributed temperature and strain discriminative sensor that is based on a 98 mol% germania-doped few-mode fiber and a standard Brillouin optical time-domain analysis setup. 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Researchers have attempted to solve these two issues but seldom can overcome both. This paper proposes a novel bending-loss-resistant distributed temperature and strain discriminative sensor that is based on a 98 mol% germania-doped few-mode fiber and a standard Brillouin optical time-domain analysis setup. 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| subjects | Bend radius Bending-loss-resistant BOTDA Germanium oxides high germania-doped few-mode fiber Optical fiber sensors Optical fibers Optical scattering Sensors Strain temperature and strain discriminative sensor Temperature measurement Temperature sensors Time domain analysis |
| title | Bending-Loss-Resistant Distributed Temperature and Strain Discriminative Brillouin Sensor Based on 98 mol% Germania-Doped Few-Mode Fiber |
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