Presentation Information
[WC1-1]Random Phase Modulated φ-OTDR for Simultaneous Loss and Vibration Monitoring
○Jingchi Cheng1,2, Can Zhao3, Tao Shang1,2, Jing Jiang2, Ming Tang3 (1.Hangzhou Institute of Technology, Xidian University, 2.School of Telecommunications Engineering, Xidian University, 3.Wuhan National Lab for Optoelectronics & National Engineering Research Center of Next Generation Internet Access-system, School of Optical and Electronic Information, Huazhong Unv. of Sci. and Tech.)
Keywords:
Distributed fiber optical sensing,fibers and fiber devices for sensing
We experimentally demonstrated a novel φ-OTDR system with the ability to measure loss and vibration simultaneously. The loss measurement accuracy is 0.07 dB and fading-free phase demodulation is realized in a 50-km long fiber span.