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Monomode fiber-optic strain gauge with simultaneous phase- and polarization-state detection

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Abstract

A fiber-optic sensor for the measurement of strain is described, in which the measurand-induced changes in both phase and polarization state are simultaneously recovered. A simple optical arrangement based on the fiber Fabry–Perot interferometer is used to realize a high-resolution instrument with enhanced measurement range.

© 1985 Optical Society of America

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