Title :
Fiber strain sensor using spectral linewidth of FBG reflection through optical filter
Author :
Shih-Hsiang Hsu ; Yung-Chia Yang
Author_Institution :
Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan
Abstract :
The FBG reflective spectrum was coupled to a optical filter for linewidth monitoring in strain sensing applications. The sensitivity was typically demonstrated as 48-MHz/με and the strain sensing limitation could achieve ~nε with kHz narrow resolution bandwidth.
Keywords :
Bragg gratings; fibre optic sensors; optical filters; reflectivity; strain sensors; FBG reflective spectrum; fiber strain sensor; linewidth monitoring; optical filter; sensitivity; spectral linewidth; Fiber gratings; Optical fiber sensors; Optical fibers; Optical filters; Strain;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA