Temperature-insensitive and strain-insensitive long-period grating sensors for smart structures

Vikram Bhatia; David K. Campbell; Daniel Sherr; Tiffanie D'Alberto; Noel Zabaronick; Gregory A. Ten Eyck; Kent A. Murphy; Richard O. Claus

doi:10.1117/1.601379

1 July 1997 Temperature-insensitive and strain-insensitive long-period grating sensors for smart structures

Vikram Bhatia, David K. Campbell, Daniel Sherr, Tiffanie D'Alberto, Noel Zabaronick, Gregory A. Ten Eyck, Kent A. Murphy, Richard O. Claus

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Optical Engineering, Vol. 36, Issue 7, (July 1997). https://doi.org/10.1117/1.601379

We demonstrate that temperature- and strain-insensitive long-period gratings can be fabricated in conventional optical fibers. The former is employed to measure strain with resolution of 20 µ? under thermal fluctuations in the surroundings, while the latter is used to detect temperature variations as small as 0.8°C in the presence of axial strain.

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Vikram Bhatia, David K. Campbell, Daniel Sherr, Tiffanie D'Alberto, Noel Zabaronick, Gregory A. Ten Eyck, Kent A. Murphy, and Richard O. Claus "Temperature-insensitive and strain-insensitive long-period grating sensors for smart structures," Optical Engineering 36(7), (1 July 1997). https://doi.org/10.1117/1.601379

Published: 1 July 1997

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