Abstract
A φ-OFDR system based on optical phase-locked loop is proposed to suppress laser frequency drift noise. The results demonstrate a significant improvement of 16.1 dB in the signal-to-noise ratio (SNR) of the demodulated strain signal at 0.1 Hz compared with open-loop state.
© 2023 The Author(s)
PDF ArticleMore Like This
Yuejuan Lv, Hao Li, Ke Ai, Zhijun Yan, and Qizhen Sun
Tu3.21 Optical Fiber Sensors (OFS) 2023
Cuofu Lin, Yuzhou Chen, Jun Yang, Ziqiao Wei, Jun Yang, Yuncai Wang, and YuwenQin
F1.4 Optical Fiber Sensors (OFS) 2023
Daiki Tanimura, Ryota Ogu, Chao Zhang, Fumihiko Ito, Yuichi Yoshimura, Hiroyuki Aoshika, and Michio Imai
F2.5 Optical Fiber Sensors (OFS) 2023