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 language | English |
|---|---|
| Article number | 84212T |
| Journal | Proceedings of SPIE - International Society for Optical Engineering |
| Volume | 8421 |
| DOIs | |
| Publication status | Published - 17 Oct 2012 |
Bibliographical note
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