Title :
Interferometric fiber strain sensor using fiber Bragg grating based optical ruler
Author :
Shih-Hsiang Hsu ; Jung-Chen Hsu ; Shan-Chi Chen
Author_Institution :
Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan
Abstract :
An interferogram from a two-staged optical low-coherence Mach-Zehnder interferometer is demonstrated to double the sensitivity improvement for fiber strain sensing using the fiber Bragg grating based optical ruler through its narrow linewidth reflection spectrum.
Keywords :
Bragg gratings; Mach-Zehnder interferometers; fibre optic sensors; spectral line breadth; strain sensors; fiber Bragg grating; interferometric fiber strain sensor; narrow linewidth reflection spectrum; optical ruler; two-staged optical low-coherence Mach-Zehnder interferometer; Optical fiber sensors; Optical fibers; Optical interferometry; Optical reflection; Strain;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
