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Pressure sensitivity of side-hole optical fibre sensors

By J.R. Clowes, S. Syngellakis and M.N. Zervas

Abstract

The dependency of the pressure-induced birefringence of a side-hole fiber on its geometry has been numerically investigated using the finite element method. We demonstrate that the pressure sensitivity of such a fiber shows a linear dependence on phi2, where phi is the angle between the side hole center and core center axis and the core center to side-hole tangent. Experimental data obtained with two different side-hole fiber sensors are shown to agree extremely well (to within 10%) with theoretical predictions

Topics: QC, TA
Year: 1998
OAI identifier: oai:eprints.soton.ac.uk:21181
Provided by: e-Prints Soton

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