Jiaqi Xu, Yuanqing Wang, Yangrui Xu, Kun Liang, Yongchao Zheng, Yun Su, Jinghao Zhang. Research progress of ocean environmental laser remote sensing based on Brillouin scattering[J]. Infrared and Laser Engineering, 2021, 50(6): 20211036
- Infrared and Laser Engineering
- Vol. 50, Issue 6, 20211036 (2021)
Fig. 1. Scattering spectrum of interaction between laser and sea water
Fig. 2. Diagram of Brillouin lidar system diagram
Fig. 3. Experimental setup for measuring Brillouin scattering in water with scanning F-P interferometer
Fig. 4. Brillouin scattering spectrum measured in water
Fig. 5. Principle of Brillouin scattering measurement in water using edge technology
Fig. 6. (a) Absorption lines of bromine; (b) Absorption lines of iodine
Fig. 7. (a) Dependence of normalized intensity signal on temperature; (b) Dependence of normalized intensity signal on Brillouin shift after calibration
Fig. 8. Experimental setup of lidar system using ESFADOF as edge detection technology. (a) Laser source generation scheme; (b) Laser scattering scheme and corresponding Brillouin scattering spectrum line; (c) Edge detection scheme and corresponding edge filtering curve
Fig. 9. [in Chinese]
Fig. 9. (a1) Comparison of the temperature results measured by two lidar tubes and Pt100 after 50 000 measurements, (a2) Error analysis; (b) Relationship between the average temperature deviation, average number and acquisition duration of two lidar tubes
Fig. 10. (a) Sketch of underwater Brillouin lidar system using F-P etalon combined with ICCD; (b) Principle of spectrum detection using F-P etalon combined with ICCD
Fig. 11. Flow chart of underwater Brillouin scattering detection system
Fig. 12. Double edge technique used in Brillouin scattering spectrum.(a) Principle of double edge filtering technique; (b) Sketch of experimental device of double edge filtering method
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