Title :
Long-range multiwavelength sensing using semiconductor optical amplifier-based fiber laser
Author :
Shien-Kuei Liaw ; Yin-Wen Lee ; Wen-Fang Wu
Author_Institution :
Dept. of Electron. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan
Abstract :
A new type of fiber-Bragg-grating based fiber-laser system for long-distance stress/pressure sensing is experimentally demonstrated. We investigate the laser system output characteristics and evaluate sensor performance under different sensing distances incorporate the fiber Bragg gratings. The results show that this semiconductor optical amplifier-based laser sensor possesses a dynamic sensing distance up to 37 km at 350 mA injection current. Stress/pressure detection and reliable linear-cavity fiber laser sensing operation were successfully achieved.
Keywords :
Bragg gratings; fibre lasers; fibre optic sensors; laser cavity resonators; pressure sensors; remote sensing by laser beam; semiconductor optical amplifiers; stress measurement; current 350 mA; distance 37 km; fiber Bragg grating; fiber laser; injection current; laser system output characteristics; linear-cavity fiber laser sensing; long-distance stress sensing; long-range multiwavelength sensing; pressure sensing; semiconductor optical amplifier; sensor performance; Bragg gratings; Fiber lasers; Optical fiber amplifiers; Optical fiber sensors; SOA laser; fiber Bragg grating; fiber sensor;
Conference_Titel :
Next-Generation Electronics (ISNE), 2014 International Symposium on
Conference_Location :
Kwei-Shan
DOI :
10.1109/ISNE.2014.6839383
