Title :
Laser ultrasound detecting experiment with fiber Michelson interferometer
Author :
Zhang Jian-liang ; Sheng Xin-zhi ; Wu Chong-qing ; Zhang Li-jun
Author_Institution :
Beijing Jiaotong Univ., Beijing
Abstract :
A laser ultrasound stably detecting has been demonstrated by a new type fiber optic Michelson interferometer with 3times3 direction coupler. The experimental result suggests that it´s able to sense an ultrasound vibration frequency from 10 KHz to 1.5 MHz.
Keywords :
Michelson interferometers; fibre optic sensors; optical directional couplers; ultrasonic transducers; vibration measurement; 3times3 direction coupler; fiber Michelson interferometer; frequency 10 kHz to 1.5 MHz; laser ultrasound detection; Arm; Fiber lasers; Laser beams; Optical coupling; Optical fiber couplers; Optical fiber sensors; Optical fibers; Optical interferometry; Signal processing; Ultrasonic imaging;
Conference_Titel :
Optical Fiber Communication and Optoelectronics Conference, 2007 Asia
Conference_Location :
Shanghai
Print_ISBN :
978-0-9789217-2-9
Electronic_ISBN :
978-0-9789217-2-9
DOI :
10.1109/AOE.2007.4410900
