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A C-band Erbium doped fiber laser is proposed and investigated. Using two sub-ring cavities and a saturable absorber, a high quality, stable and high optical signal to noise ratio operated fiber ring laser is obtained. Using different fiber Bragg gratings as wavelength filter, a narrow 3dB-bandwidth is necessary for the high quality operation. The fiber ring laser is evaluated in lightwave transmission...
A multiwavelength linear-cavity laser array for long-distance sensing is designed and experimentally demonstrated. It is a semiconductor optical amplifier (SOA) integrating a $1\times N$ optical switch, formed by a $2\times 2$ fiber loop mirror and fiber Bragg grating (FBG) as cavity ends. We investigate the laser system output characteristics and evaluate the sensor performance for different...
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...
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