Abstract
We demonstrate the higher temperature sensitivity of a fiber Bragg grating (FBG) sensor when it is clad with a metal of a large thermal expansion coefficient. With lead (solder) cladding, the sensitivity of Bragg wavelength shift can be enhanced by about five (four) times. A theoretical model was adopted to show quite consistent results. It was found that thermal annealing was crucial for preparing high-quality fiber Bragg grating sensors with metal claddings.
Cite
CITATION STYLE
Lin, G. C., Wang, L., Yang, C. C., Shih, M. C., & Chuang, T. J. (1998). Thermal performance of metal-clad fiber Bragg grating sensors. IEEE Photonics Technology Letters, 10(3), 406–408. https://doi.org/10.1109/68.661425
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