The paper presents influence of the HB1500 bow-tie optical fiber coating on the fiber angular sensitivity for
dynamic stress induced by an acoustic wave. An experimental setup is explained and fiber parameters are presented,
what is a step forward to predict and simulate behavior of optical fibers embedded in composite materials. Both
sensitivities of the fiber (with and without coating) are compared versus the angle between the birefringence axis and the
acoustic wave propagation direction. An influence of the fiber coating has also been experimentally examined.
KEYWORDS: Sensors, Optical fibers, Interferometers, Fiber optics sensors, Interferometry, Temperature metrology, Digital signal processing, Signal detection, Phase shifts, Analytical research
We present a theoretical and experimental analysis of the magnitude of deflection of a flat diaphragm, supported at its
edge, with an interferometric sensor bonded on diaphragm surface and subjected to dynamic strain induced by varying
pressure. The results obtained are compared with a diaphragm not having a sensor bonded on its surface. A brief
description of the optical fiber position on diaphragm for a specific interferometric configuration is also presented.
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