Abstract
Two different types of specialist single-mode polarization-maintaining
side-hole(s) fibers have been specifically chosen in this paper for the direct
measurement of transverse force, and their performance characteristics have
been recorded and cross compared. To achieve this, side-hole fibers have been
used which were investigated both theoretically and experimentally for their
respective pressure sensitivities as a function of rotation angles and magnitudes
of the applied external force. The experimental results obtained have shown
good agreement with theoretical predictions for situations where an external
force applied was within a certain range. It was thus concluded that the pressure
measurement sensitivities of these specialist fibers are strongly dependent
upon the direction of the force applied (with reference to the fast or slow
axis of the fibers). Therefore, devices based on these fibers can be used
effectively as sensors for the measurement of pressure, force, and mass of
an object through an appropriate device configuration, enabling measurements
over a wide range and in real time.
© 2011 IEEE
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