Er:Yb doped fiber with embedded FBG for simultaneous point measurement of temperature and strain
S Trpkovski, SA Wade, SF Collins, GW Baxter
Proceedings of SPIE - The International Society for Optical Engineering | Published : 2004
Characterization of two simultaneous and co-located temperature-strain sensors based on FBGs and Er:Yb-codoped fiber has been performed. The sensors have demonstrated reasonable accuracies in the order of 0.4°C and 10 με over temperature and strain ranges of 20-150°C and 350-2500 με respectively.