Full Link SNR Equalization DAS System over 80km Based on Gradient Discrete Scattering Enhanced Fiber
- Resource Type
- Conference
- Authors
- Fan, Cunzheng; Xiao, Xiangpeng; Li, Hao; Zhao, Weiliang; Yan, Zhijun; Sun, Qizhen
- Source
- 2023 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2023. :1-3 Mar, 2023
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Scattering
Optical fiber communication
Acoustics
Rail transportation
Spatial resolution
Probes
Signal resolution
- Language
We proposed a full-link SNR-equalization DAS based on gradient discrete scattering enhanced fiber with backscattering rates increase gradually according to optical loss. The experimental results show a $15{\text{p}}\varepsilon /\sqrt {Hz} $ strain resolution over 80km.