Title :
Ultrasonic wave sensor based on phase-shift fiber Bragg grating for seismic physical models
Author :
Jingjing Guo ; Changxi Yang
Author_Institution :
Dept. of Precision Instrum., Tsinghua Univ., Beijing, China
Abstract :
Ultrasonic wave sensor based on phase-shift fiber Bragg Grating (PS-FBG) is presented to image layered structure of seismic physical models. Comparison to traditional PZT sensor, PS-FBG shows high sensitivity, large dynamic range and broadband response.
Keywords :
Bragg gratings; fibre optic sensors; optical fibres; seismic waves; ultrasonic transducers; PS-FBG; PZT sensor; broadband response; dynamic range; image layered structure; phase-shift fiber Bragg grating; seismic physical models; ultrasonic wave sensor; Acoustics; Fiber gratings; Gratings; Probes; Sensitivity; Sensors;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
