6533b7d0fe1ef96bd125b7b8

RESEARCH PRODUCT

Characterization of fiber nonuniformities with ppm resolution using time-resolved in-fiber acousto-optics

Miguel V. AndrésMiguel Gonzalez-herraezJose L. CruzE. P. Alcusa-saezAntonio Diez

subject

Mode volumeOptical fiberMaterials sciencebusiness.industryPolarization-maintaining optical fiberGraded-index fiberlaw.inventionOpticslawFiber optic sensorFiber laserDispersion-shifted fiberbusinessPhotonic-crystal fiber

description

Time-resolved acousto-optic interaction using flexural waves enables the characterization of fiber nonuniformities along sections of about 1-2 m. A resolution better than 10 ppm of fiber diameter and core refractive index is demonstrated.

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