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Wavelength Monitoring of Sensors: Two Approaches

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A change in external conditions will expand or compress a fiber Brag grating, altering the refractive index period and thereby changing the wavelength reflected. There are two methods of monitoring this change.

Anne L. Fischer

Fiber sensors offer several significant advantages over conventional electrical sensors. They’re rugged passive components requiring no external power. They form an intrinsic part of the fiber optic cable that transmits the measurement signal, impervious to electromagnetic interference, so they can...Read full article

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