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Thermal apparent-strain sensitivity of surface-adhered, fiber-optic strain gauges

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Abstract

We have derived, based on established practice in experimental mechanics, an equation for calculating the thermal apparent-strain sensitivity of phase-modulated, surface-adhered, fiber-optic strain sensors. This formulation permits the thermal performance of fiber-optic strain gauges to be compared with conventional resistive gauges. This sensitivity for commonly used fiber-optic sensors is summarized.

© 1992 Optical Society of America

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