Qin Li, Wang Lanlan, Liang Hao, Cheng Linghao. Pre-Pump Brillouin Optical Time Domain Analysis System Based on Double-Sideband Interference[J]. Laser & Optoelectronics Progress, 2021, 58(1): 106003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 1, 106003 (2021)
Fig. 1. Diagram of pre-pump pulse
Fig. 2. Brillouin spectra of pre-pumping system at different length of heating optical fiber. (a) Schematic diagram of pre-pump pulse; (b) Brillouin spectrum for Lc>Lp; (c) Brillouin spectrum for Lc<Lp
Fig. 3. Brillouin interference spectra and Brillouin gain spectra. (a) Simulation results; (b) experimental results
Fig. 4. Diagram of experimental setup
Fig. 5. Pre-pumping temperature sensing experiment. (a) Diagram of optical fiber heating; (b) spectra of optical fiber heating section for double-sideband and single-sideband detections
Fig. 6. Results of temperature sensing. (a) Spectrum of optical fiber; (b) spectra of different heating sections
Fig. 7. Brillouin interference spectrum and traditional Brillouin gain spectrum varying with temperature, and time domain signal of heating section. (a) Brillouin interference spectrum; (b) traditional Brillouin gain spectrum; (c) time domain signal of heating section
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20