Laser & Optoelectronics Progress, Volume. 60, Issue 22, 2200005(2023)
Advancements in Remote Raman-Lidar for Hydrogen Leakage Detection
Fig. 2. Schematic diagram of typical remote Raman lidar system and method for gas concentration detection
Fig. 3. Schematic diagram of the SRGS setup without a tunable laser[22]
Fig. 4. Schematic diagram of the SRGS lidar system[22]
Fig. 5. Schematic diagram of the Raman lidar system[23]
Fig. 6. Schematic diagrams of laser beam steering for two-dimensional visualization of H2 (left) and typical visual two-dimensional photo of H2 (right)[23]
Fig. 7. Schematic diagrams of the Raman lidar system (left) and the experimental method for measuring Raman scattering intensity and concentration of H2[14]
Fig. 8. Schematic diagram of Raman lidar[25]
Fig. 9. Schematic diagram of the concentration measurement of H2 gas in small area[26]
Fig. 10. Layout diagram of receiver optical components[26]
Fig. 11. Schematic diagrams of DPSS small Raman lidar (left) and device appearance photo (right) [15]
Fig. 12. Schematic diagram of LED small Raman lidar system (left) and lidar device diagram (right)[15]
Fig. 13. Schematic diagram of the off-axis Raman lidar system[27]
Fig. 14. Schematic diagram of the conventional 2-channel Raman lidar system[28]
Fig. 15. Photograph of the 6 m gas chamber[28]
Fig. 16. Schematic diagram of the three-channel Raman lidar system[30]
Fig. 17. Raman sensor and schematic diagram of the measurement system[31]
Fig. 18. Schematic diagram of the four‐mirror multiple pass enhanced Raman system[32]
Fig. 19. Schematic diagram of the light source of the new hydrogen gas detector based on CARS (up) and appearance of the light source (down)[33]
Fig. 20. Principle of the photon counting process[34]
Fig. 21. Schematic diagram of the emission/reception part (left) and the spectral analyzer (right) of three-channel Raman lidar system[35]
Fig. 22. 3D design lay-out of developed photon counting Raman lidar system[34]
Fig. 23. Schematic diagram of the on-axis PC Raman lidar system[37]
Fig. 24. Photograph of on-axis PC Raman lidar system[37]
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Jinrui Deng, Ruijing Jiang, Hai Zhong, Haoxiang Zhang, Liuhua Cui, Lei Cai. Advancements in Remote Raman-Lidar for Hydrogen Leakage Detection[J]. Laser & Optoelectronics Progress, 2023, 60(22): 2200005
Category: Reviews
Received: Feb. 6, 2023
Accepted: Feb. 22, 2023
Published Online: Nov. 16, 2023
The Author Email: Deng Jinrui (cnpcdengjinrui@163.com)