Title :
Ultrasound detection using low beat frequency distributed Bragg reflector Er-doped fiber laser
Author :
Guo, Tuan ; Liu, Weisheng ; Wong, Chi-Lun Allan ; Wang, Hongjun ; Chen, Da ; Lu, Chao ; Tam, Hwa-Yaw
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong, China
Abstract :
Dual-polarization distributed Bragg reflector fiber laser (26 mm length) in Er-doped fiber with beat-frequency of ~20 MHz (significantly lower than ~1 GHz reported earlier) that is capable of detecting 16 MHz ultrasound has been demonstrated.
Keywords :
distributed Bragg reflector lasers; erbium; optical fibre amplifiers; Er; dual-polarization distributed Bragg reflector fiber laser; low beat frequency distributed Bragg reflector fiber laser; ultrasound detection; Birefringence; Bragg gratings; Distributed Bragg reflectors; Erbium; Erbium-doped fiber lasers; Fiber gratings; Frequency; Optical fiber polarization; Optical refraction; Ultrasonic imaging;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
