Citation:
Shi Shi-Ming, Chen De-Ying, Zheng Qi-Ke, Qin Qi-Zong. Degenerate Four-Wave Mixing in SO2[J]. Acta Physico-Chimica Sinica,
;1996, 12(04): 293-295.
doi:
10.3866/PKU.WHXB19960402
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A vibrationally excitation spectrum of the A(1A2) ← X(1A1 ) and B(1 B1 )←X(1 A1 ) transition of suifur dioxide (SO2 ) was observed by using the degenerate four-wave mixing (DFWM) technique. For comparison, the direct absorption spectrum of SO2 was also presented. The DFWM signal intensity was investigated as a function of N2 buffer gas pressure. It was found that the signal intensity enhanced 25-fold with the addition of 100 kPa N2 gas.
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Keywords:
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SO2
, - DFWM,
- Laser Spectroscopy
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