Thermal characteristics of silver-recoated regenerated grating sensors for high-temperature sensing

Yun Tu; Shan-Tung Tu; Yi-Hua Qi

doi:10.1117/12.975266

17 October 2012 Thermal characteristics of silver-recoated regenerated grating sensors for high-temperature sensing

Yun Tu, Shan-Tung Tu, Yi-Hua Qi

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84215E (2012) https://doi.org/10.1117/12.975266
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We have successfully fabricated regenerated gratings (RGs) with silver coating in standard telecommunication fibers by annealing and magnetron sputtering (MG) process. Optical testing showed that the optical properties of the silverrecoated RGs were slightly affected by MG process. We performed thermal tests to evaluate the characteristics with respect to a silver-recoated RG (SRCRG) sensor within the temperature of up to 600 °C. The experimental results showed that the SRCRG sensor exhibited a satisfactory performance for its sensitivity, repeatability and stability. Results from the experiments also revealed that the silver coating achieved good adhesion to fiber and could be used as a conductive layer for the further electroplating process.

Citation Download Citation

Yun Tu, Shan-Tung Tu, and Yi-Hua Qi "Thermal characteristics of silver-recoated regenerated grating sensors for high-temperature sensing", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84215E (17 October 2012); https://doi.org/10.1117/12.975266

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