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2 cm spatial resolution Brillouin optical time-domain analysis with <100 kHz detection bandwidth using time expansion
- Authors
- Youn, Jae Hyeong; Song, Kwang Yong; Martin-Lopez, Sonia; Gonzalez-Herraez, Miguel; Fernández-Ruiz, María R.
- Issue Date
- 2023
- Publisher
- Optical Society of America
- Citation
- Proceedings - 28th International Conference on Optical Fiber Sensors, OFS 2023
- Journal Title
- Proceedings - 28th International Conference on Optical Fiber Sensors, OFS 2023
- ISSN
- 0000-0000
- Abstract
- Time-domain distributed Brillouin sensing with a spatial resolution of 2 cm and 12,000 resolving points is experimentally demonstrated through a time expansion scheme. Two combs with different line spacing serve as the probe and pump, respectively, and the acoustic phonon information generated by their spectral beating is down-converted to a detection bandwidth of less than 100 kHz. © Optica Publishing Group 2023, © 2023 The Author(s), © 2023 Jae Hyeong Youn, Kwang Yong Song, Sonia Martin-Lopez, Miguel Gonzalez-Herraez, and Maria R. Fernandez-Ruiz.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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