Fig. 11: Experimental setup and results based on dual-parameter sensing.
From: Physics and applications of Raman distributed optical fiber sensing
a Combined Brillouin and Raman scattering sensing, (b) hybrid Raman and Brillouin scattering sensing based on standard Fabry–Perot lasers in conjunction with optical pulse coding techniques, (c) hybrid Raman/Brillouin optical time-domain analysis of optical fiber sensors, (d) hybrid quasi-single mode operated Raman-Brillouin system in few mode fibers, (e) hybrid optical fiber sensor combined with the Raman optical fiber sensing and phase-sensitive optical time-domain reflectometry
