Shenhao Yang, Weijing Zhao, Chuncai Hou, Ling Yang, Chunli Song, Nan Feng. Raman Signal Enhancement for Gas Detection Using Multiple Reflections and Increased Pressure[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1930003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 19, 1930003 (2023)
Fig. 1. Experimental system installation
Fig. 2. Raman spectral data of different pressures
Fig. 3. Raman spectral data of removed baseline
Fig. 4. Signal-to-noise ratio varies with pressure
Fig. 5. Fitting results of amplitude and pressure
Fig. 6. Fitting results of area and pressure
Fig. 7. O2 1552 cm-1 characteristic peak
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Table 1. Fitted according to function
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Table 2. Parameters summary of amplitude and pressure fitting results
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Table 3. Parameters summary of area and pressure fitting results
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