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

Ricardo E. Silva; Alexandre A. P. Pohl

doi:10.1117/12.968806

17 October 2012 Characterization of longitudinal acoustic waves in a fiber using an extrinsic Fabry-Perot interferometer

Ricardo E. Silva, Alexandre A. P. Pohl

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84212T (2012) https://doi.org/10.1117/12.968806
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

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.

Citation Download Citation

Ricardo E. Silva and Alexandre A. P. Pohl "Characterization of longitudinal acoustic waves in a fiber using an extrinsic Fabry-Perot interferometer", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212T (17 October 2012); https://doi.org/10.1117/12.968806

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