Results 11 to 20 of about 9,649 (243)

Recent Progress in Distributed Brillouin Sensors Based on Few-Mode Optical Fibers

open access: yesSensors, 2021
Brillouin scattering is a dominant inelastic scattering observed in optical fibers, where the energy and momentum transfer between photons and acoustic phonons takes place.
Yong Hyun Kim, Kwang Yong Song
doaj   +1 more source

High-Accuracy Spectral Measurement of Stimulated-Brillouin-Scattering Lidar Based on Hessian Matrix and Steger Algorithm

open access: yesRemote Sensing, 2023
The measurement accuracy of Brillouin scattering spectra is crucial for ocean remote sensing by Brillouin scattering lidar. Due to the limited resolution of ICCD cameras, the traditional processing methods remain at the pixel or partial sub-pixel level ...
Zhiqiang Liu   +7 more
doaj   +1 more source

High-Performance Distributed Brillouin Optical Fiber Sensing

open access: yesPhotonic Sensors, 2021
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 ...
Yongkang Dong
doaj   +1 more source

Investigation of Brillouin scattering parameters in single mode optical fibers

open access: yesФизика волновых процессов и радиотехнические системы, 2019
The interrogation scheme for fiber optic sensor based on Brillouin scattering is represented. The application of stimulated Brillouin scattering signal formed in etalon optical fiber as reference source realized is proposed.
V.A. Burdin, K.A. Volkov, M.V. Dashkov
doaj   +1 more source

Cascaded forward Brillouin lasing in a chalcogenide whispering gallery mode microresonator

open access: yesAPL Photonics, 2022
We report the first observation of cascaded forward stimulated Brillouin scattering in a microresonator platform. We have demonstrated 25 orders of intramodal Stokes beams separated by a Brillouin shift of 34.5 MHz at a sub-milliwatt threshold at 1550 nm.
Thariq Shanavas   +5 more
doaj   +1 more source

Coherent Brillouin scattering

open access: yesOptics Express, 2011
We measure the spectrum of coherent Brillouin scattering (CBS) in a gas as a function of time and observe for the first time additional spectral sidebands and line shape narrowing of the Brillouin peak. We find that both effects result from the interference of the density modulation induced by the moving dipole force of the pump beams with the acoustic
A, Gerakis, M N, Shneider, P F, Barker
openaire   +2 more sources

High-Spatial-Resolution Dynamic Strain Measurement Based on Brillouin Optical Correlation-Domain Sensors

open access: yesPhotonics, 2023
Brillouin-scattering-based sensors have been widely applied in distributed temperature or strain measurement in recent 20 years. Brillouin optical correlation-domain technology has extensive development and application prospects because of its millimeter-
Yahui Wang   +4 more
doaj   +1 more source

Effective Brillouin Gain Spectra Broadening for SBS Suppression Based on Pseudo Random Bit Sequence Phase Modulation in Fiber System

open access: yesIEEE Photonics Journal, 2021
We describe stimulated Brillouin scattering process in a fiber system with light field phase modulated by lowpass filtered and amplified pseudo random bit sequence (PRBS) using localized nonfluctuating source model.
Binglin Li   +5 more
doaj   +1 more source

Brillouin scattering of phonons in complex materials

open access: yesAdvances in Physics: X, 2018
Initially, the theory of propagation of long-wavelength acoustic phonons and Brillouin scattering of laser light in condensed matter is concisely summarized. Then, the case of two relevant classes of complex materials in which Brillouin scattering can be
Carlo E. Bottani, Daniele Fioretto
doaj   +1 more source

Hybrid Ytterbium/Brillouin Gain Assisted Partial Mode Locking in Yb-Doped Fiber Laser

open access: yesIEEE Photonics Journal, 2015
We have demonstrated experimentally and theoretically that the hybrid ytterbium/Brillouin gain can contribute to partial mode locking in the high-loss ytterbium-doped fiber laser.
Haibin Lu   +3 more
doaj   +1 more source

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