Distributed probing of the orientation of two-mode birefringent fiber using pulsed acoustic guided waves

Jan Ove Askautrud; Helge E. Engan

doi:10.1117/12.20289

1 August 1990 Distributed probing of the orientation of two-mode birefringent fiber using pulsed acoustic guided waves

Jan Ove Askautrud, Helge E. Engan

Proceedings Volume 1267, Fiber Optic Sensors IV; (1990) https://doi.org/10.1117/12.20289
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

The coupling between two spatial optical modes of a birefringent elliptical core fiber due to a travelling acoustic wave is experimentally investigated. Acoustic horns are used to excite acoustic flexural waves on a fiber. The distributed interaction of the LP01 and the LP11 modes along a strip section of fiber is determined by RF pulsing the acoustic wave. Particular attention has been given to studying the local orientation and twisting of the fiber along the acousto-optic coupling region. High coupling efficiency is also demonstrated.

Citation Download Citation

Jan Ove Askautrud and Helge E. Engan "Distributed probing of the orientation of two-mode birefringent fiber using pulsed acoustic guided waves", Proc. SPIE 1267, Fiber Optic Sensors IV, (1 August 1990); https://doi.org/10.1117/12.20289

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