Miniature High-Temperature Fiber Bragg Grating Sensor Design Based on U-Shaped Lossless Taper for Thermal Mapping Applications
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Viegas, Diana
Santos, José Luis
Ferreira, Luis Alberto
Moita Araújo, Francisco Manuel
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Abstract
A novel design for a miniature fiber Bragg grating-based temperature probe is presented. The sensor integrates a u-shaped lossless taper thus offering the advantages of a terminal temperature probe free from of strain cross-sensitivity and showing installation flexibility while enabling effective serial multiplexing. The experimental validation of the probe design is reported, being demonstrated lossless operation and effective elimination of strain cross-sensitivity up to 400 degrees C.
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Viegas, D., Abad, S., Santos, J. L., Ferreira, L. A., & Moita-Araujo, F. M. (2010). Miniature high-temperature fiber bragg grating sensor design based on u-shaped lossless taper for thermal mapping applications. Photonics Technology Letters, IEEE, 22(11), 811-813.