Title :
Stretched abrupt-tapered micro fiber for high sensitivity interferometric laser strain sensors
Author :
Yi-Ning Chen ; Kuen-Yi He ; Nan-Kuang Chen ; Shu-Wei Zhuang ; Chia-Lung Tsai
Author_Institution :
Dept. of Electro-Opt. Eng., Nat. United Univ., Miaoli, Taiwan
Abstract :
We demonstrate the temperature-insensitive strain sensors based on stretched abrupt-tapered micro-fiber in the erbium fiber laser ring cavity. The strain sensitivity is significantly enhanced to 4.443 nm/mε by properly choosing the diameter at wavelength scale.
Keywords :
erbium; fibre lasers; fibre optic sensors; laser cavity resonators; light interferometry; micro-optics; ring lasers; sensitivity; strain sensors; erbium fiber laser ring cavity; interferometric laser strain sensors; stretched abrupt-tapered micro fiber; temperature-insensitive strain sensors; Erbium; Erbium-doped fiber lasers; Optical fiber sensors; Sensitivity; Strain; Temperature sensors; Fiber laser; Microfiber; Strain sensors;
Conference_Titel :
Advanced Infocomm Technology (ICAIT), 2014 IEEE 7th International Conference on
Conference_Location :
Fuzhou
Print_ISBN :
978-1-4799-5454-4
DOI :
10.1109/ICAIT.2014.7019533