Sensing the earth crustal deformation with nano-strain resolution fiber-optic sensors

被引：38
|
作者：
Liu, Qingwen [1 ]
He, Zuyuan [1 ]
Tokunaga, Tomochika [2 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
[2] Univ Tokyo, Dept Environm Syst, Kashiwa, Chiba 2778563, Japan
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 11期
基金：
中国国家自然科学基金;
关键词：
DREVER-HALL TECHNIQUE; BRAGG GRATINGS; LASERS;
D O I：
10.1364/OE.23.00A428
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Crustal deformation measurement with a high resolution on the order of nano-strains in static to low frequency region is required for geophysical research. Optical fiber sensors are very attractive in this research field due to their unique advantages including high resolution, small size and easy deployment. In this paper, a fiber optic strain sensor with nano-strain-resolution and large measurement range for sensing the earth crustal deformation is reported. With this sensor the tide induced crustal deformation and the seismic wave were successfully recorded in field experiments. (C)2015 Optical Society of America
引用
收藏
页码：A428 / A436
页数：9
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