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Research on the New Type of the Fiber Bragg Grating Geophone

LIANG Lei,ZHOU Xue-fang (The Fiber Optic Sensing Te chnology Research Center, Wuhan University of Technology,Wuhan 43 0070,China)  
During the o il and seism probi ng,the traditional geophones have many s hortcomings,such as low sensitivity,easi ly interfering by the environment,narrow bandwidth,and the limitation of the geo phones material,which affects the qualit y.Based on the advantages of the Fiber B ragg Gratng sensingtechnology,this paper s provides a new type of Fiber Bragg Gra ting geophone,with the result of the exp eriment,it indicates that the Fiber Brag g Grating geophone has wider bandwidth,b etter stability,higher sensitivity,and p erfect kind.
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