High-Performance Distributed Brillouin Optical Fiber Sensing

This paper reviews the recent advances on the high-performance distributed Brillouin optical fiber sensing, which include the conventional distributed Brillouin optical fiber sensing based on backward stimulated Brillouin scattering and two other novel distributed sensing mechanisms based on Brillou...

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Bibliographic Details
Published in:Photonic sensors (Berlin) 2021-03, Vol.11 (1), p.69-90
Main Author: Dong, Yongkang
Format: Article
Language:English
Subjects:
Birefringence
Brillouin dynamic grating
Correlation analysis
Distributed sensing
Lasers
Measurement Science and Instrumentation
Microscopes
Microwaves
multi-parameter measurement
Optical Devices
Optical fibers
Optics
Photonics
Physics
Physics and Astronomy
Position measurement
Review
RF and Optical Engineering
Scattering
Spatial resolution
Static pressure
stimulated Brillouin scattering
Time measurement
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Summary:This paper reviews the recent advances on the high-performance distributed Brillouin optical fiber sensing, which include the conventional distributed Brillouin optical fiber sensing based on backward stimulated Brillouin scattering and two other novel distributed sensing mechanisms based on Brillouin dynamic grating and forward stimulated Brillouin scattering, respectively. As for the conventional distributed Brillouin optical fiber sensing, the spatial resolution has been improved from meter to centimeter in the time-domain scheme and to millimeter in the correlation-domain scheme, respectively; the measurement time has been reduced from minute to millisecond and even to microsecond; the sensing range has reached more than 100 km. Brillouin dynamic grating can be used to measure the birefringence of a polarization-maintaining fiber, which has been explored to realize distributed measurement of temperature, strain, salinity, static pressure, and transverse pressure. More recently, forward stimulated Brillouin scattering has gained considerable interest because of its capacity to detect mechanical features of materials surrounding the optical fiber, and remarkable works using ingenious schemes have managed to realize distributed measurement, which opens a brand-new way to achieve position-resolved substance identification.
ISSN:1674-9251
2190-7439
DOI:10.1007/s13320-021-0616-7