Impact of the Filter Alignment on the Ultra-Long Dual-Sideband BOTDA with Balanced Detection
- Resource Type
- Conference
- Authors
- Li, Jin; Wang, Zinan; Zhang, Li; Zeng, Jiajia; Li, Yi; Fan, Mengqiu; Jia, Xinhong; Rao, Yunjiang
- Source
- 2014 Asia Communications and Photonics Conference (ACP) Asia Communications and Photonics Conference (ACP), 2014. :1-3 Nov, 2014
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Optical fiber sensors
Amplitude modulation
Stimulated emission
Optical fiber couplers
Optical fiber polarization
- Language
- ISSN
- 2162-1098
We experimentally demonstrate a 200km fiber-loop sensing BOTDA utilizing balanced detection and bi-directional first-order Raman amplification, and we also discuss the effect of the filter alignment on the dual sideband separation before balanced detection.