Title :
Crustal deformation measurement using an optical fiber strain sensor
Author :
Qingwen Liu ; Tokunaga, Tomochika ; Zuyuan He
Author_Institution :
State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
We report an optical fiber strain sensor with ultra-high resolution, large measurement range and fast response for geophysical applications. Crustal deformation caused by ocean tide and by seismic wave was successfully recorded in field experiments.
Keywords :
Earth crust; deformation; fibre optic sensors; seismic waves; strain measurement; strain sensors; tides; crustal deformation measurement; geophysical applications; ocean tide; optical fiber strain sensor; seismic wave; ultrahigh resolution large measurement range; Optical fiber couplers; Optical fiber polarization; Optical fiber sensors; Resonant frequency; Sea measurements; Strain;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
