Abstract

We have investigated the surface Brillouin scattering (SBS) in the transverse Anderson localization (TAL) disordered optical fibers (DOFs), theoretically and numerically. There are random air-holes in the across of silica DOF, and the disordered silica glass-air structure can bring in TAL to the light, as a result, an optical fiber can be produced. The SBS in this TAL DOF is then numerically investigated. It is found that there are two main peaks in the SBS spectrum, and the Brillouin frequency shift is sensitive to the air fill-fraction of the TAL DOF. It seems to be that this result can be utilized in the longitudinal structural fluctuations monitoring of TAL DOF.

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