Characterization of longitudinal acoustic waves in a fiber using an extrinsic Fabry-Perot interferometer

R.E. Silva, A.A.P. Pohl

Research output: Contribution to journalConference article

Abstract

Longitudinal acoustical modes propagating in a fiber are characterized using an extrinsic Fabry-Perot interferometer. The method allows the detection of the fiber axial deflection peaks which correspond to the acoustic resonances. The method can be further used for estimating properties of acoustic excited fibers, such as acoustic frequency and wavelength, which are essential in the design of acousto-optic devices employing Bragg gratings.
Original languageEnglish
Article number84212T
JournalProceedings of SPIE - International Society for Optical Engineering
Volume8421
DOIs
Publication statusPublished - 17 Oct 2012

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