Articles

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

[+] Author Affiliations
Vikram Bhatia, David K. Campbell, Daniel Sherr, Tiffanie G. D’Alberto, Noel A. Zabaronick, Gregory A. Ten Eyck, Kent A. Murphy, Richard O. Claus

Virginia Polytechnic Institute and State University, Fiber & Electro-Optics Research Center, Bradley Department of Electrical Engineering, Blacksburg, Virginia 24061-0356

Opt. Eng. 36(7), 1872-1876 (Jul 01, 1997). doi:10.1117/1.601379
History: Received Dec. 1, 1996; Revised Feb. 1, 1997; Accepted Feb. 18, 1997
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Abstract

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 με 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. © 1997 Society of Photo-Optical Instrumentation Engineers.

© 1997 Society of Photo-Optical Instrumentation Engineers

Citation

Vikram Bhatia ; David K. Campbell ; Daniel Sherr ; Tiffanie G. D’Alberto ; Noel A. Zabaronick, et al.
"Temperature-insensitive and strain-insensitive long-period grating sensors for smart structures", Opt. Eng. 36(7), 1872-1876 (Jul 01, 1997). ; http://dx.doi.org/10.1117/1.601379


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