DocumentCode
519937
Title
Ultra-short cavity distributed Bragg reflector Er-doped fiber laser for temperature-insensitive bending measurement
Author
Liu, Weisheng ; Guo, Tuan ; Wang, Hongjun ; Chen, Da ; Wong, Chi-Lun Allan ; Tam, Hwa-Yaw ; Lu, Chao ; He, Sailing
Author_Institution
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Kowloon, China
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
Abstract
We introduce a bending sensor by measuring the beat frequency shift of a DBR fiber laser. The polarization beat frequency of the DBR laser exhibits high sensitivity to fiber bending while immune to temperature change.
Keywords
distributed Bragg reflector lasers; laser cavity resonators; optical fibre amplifiers; temperature measurement; beat frequency shift; temperature-insensitive bending measurement; ultra short cavity distributed Bragg reflector Er-doped fiber laser; Distributed Bragg reflectors; Erbium-doped fiber lasers; Fiber gratings; Fiber lasers; Frequency; Optical fiber polarization; Optical fiber sensors; Pump lasers; Temperature measurement; Temperature sensors;
fLanguage
English
Publisher
ieee
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
Type
conf
Filename
5499495
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