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7 November 2012Distributed pressure measurement by Brillouin scattering dynamic grating for a two side holes fiber
In some of the optical fiber pressure sensors, the pressure on the fiber is converted to the strain along the fiber by a
mechanical transducer and the strain is measured. As the transducer causes many limitations in sensing process, we used
stimulated Brillouin scattering generated dynamic grating for distributed measurement of direct pressure without any
transducer in this paper. The sensitivity of the dynamic grating characteristic to the pressure loaded on the fiber for a two
side holes fiber is calculated, for the first time. The effects of the fiber parameters on the pressure sensitivity of dynamic
grating are discussed.
S. Nouri Jouybari,H. Latifi, andZ. Chenari
"Distributed pressure measurement by Brillouin scattering dynamic grating for a two side holes fiber", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219A (7 November 2012); https://doi.org/10.1117/12.964410
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S. Nouri Jouybari, H. Latifi, Z. Chenari, "Distributed pressure measurement by Brillouin scattering dynamic grating for a two side holes fiber," Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219A (7 November 2012); https://doi.org/10.1117/12.964410