[WC3] Sensing and Monitoring over Optical Network

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[WC3-7] Real-time Optical Fiber Cable Fault Detection with Location Technique Based on Measurement of Light Backscattered from Transmission Signals

○Hiroyuki Iida¹, Tomohiro Kawano¹, Hiroshi Watanabe¹, Ryo Koyama¹, Kuniaki Terakawa¹, Takashi Matsui¹ (1.NTT Corporation)

Keywords:

Fiber cabling,installation,and maintenance,Fiber sensing and other applications

We propose a real-time optical network monitoring technique utilizing light backscattered from transmitted light signals. The proposed method can identify the fault cause and estimate its location within 25% accuracy for fiber lengths 1-40 km.