Jin Xu, Yangning Guo, Ningning Luo, Shujing Li, Jiulin Shi, Xingdao He. Influence of Water Temperature on Temporal Coherence of Stimulated Brillouin Scattering[J]. Acta Optica Sinica, 2020, 40(9): 0929001
- Acta Optica Sinica
- Vol. 40, Issue 9, 0929001 (2020)
Fig. 1. Schematic of experimental measurement
Fig. 2. SBS interference images under different optical path differences. (a) 0 m; (b) 0.2 m; (c) 0.4 m; (d) 0.6 m
Fig. 3. Fringe visibility under different optical path differences
Fig. 4. SBS interference images under different temperatures. (a) 30 ℃; (b) 20 ℃; (c) 10 ℃; (d) 5 ℃
Fig. 5. Pulse waveforms after SBS interference under different temperatures. (a) 30 ℃; (b) 5 ℃
Fig. 6. Fringe visibility versus temperature
Fig. 7. Pulse duration of SBS versus temperature
Fig. 8. Interference images and pulse waveforms under different optical path differences when T is 10 ℃. (a) Interference image at 0.1 m; (b) pulse waveform at 0.1 m; (c) interference image at 0.4 m; (d) pulse waveform at 0.4 m
Fig. 9. Interference images and pulse waveforms under different optical path differences when T is 20 ℃. (a) Interference image at 0.1 m; (b) pulse waveform at 0.1 m; (c) interference image at 0.4 m; (d) pulse waveform at 0.4 m
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Table 1. Complex degree of coherence at different temperatures when Δ is 0.3 m
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Table 2. Complex degree of coherence at different optical path differences when T is 15 ℃
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