5 May 2015 Cable television monitoring system based on fiber laser and FBG sensor
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Abstract
We propose and experimentally demonstrate a cable television monitoring system based on a linear-cavity fiber laser and fiber Bragg grating (FBG) sensors. The linear-cavity fiber laser comprises a hybrid amplifier with an erbium-doped fiber amplifier and a semiconductor optical amplifier, a fiber loop mirror with a polarization controller and an optical coupler as a cavity mirror, and the FBG sensors acting as another cavity mirrors. Experimental results showed the feasibility of the monitoring system with sufficient of signal-to-noise ratio over 30 dB and stable output power, and the link of cable television signals on fiber link can monitored in real time. Excellent performances of carrier-to-noise ratio after long-distance transmission are obtained for cable television applications.
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Peng-Chun Peng, Jun-Han Huang, Shin-Shian Wu, Wei-Yuan Yang, Po-Tso Shen, "Cable television monitoring system based on fiber laser and FBG sensor", Proc. SPIE 9506, Optical Sensors 2015, 95062C (5 May 2015); doi: 10.1117/12.2176991; https://doi.org/10.1117/12.2176991
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