物理化学学报 >> 1996, Vol. 12 >> Issue (04): 293-295.doi: 10.3866/PKU.WHXB19960402

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SO2的简并四波混频光谱

施世明,陈德应,郑企克,秦启宗   

  1. 复旦大学激光化学研究所，上海200433
  • 收稿日期:1996-01-08 修回日期:1996-02-17 发布日期:1996-04-15
  • 通讯作者: 郑企克

Degenerate Four-Wave Mixing in SO2

Shi Shi-Ming,Chen De-Ying,Zheng Qi-Ke,Qin Qi-Zong   

  1. Institute of Laser Chemistry,Fudan University,Shanghai 200433
  • Received:1996-01-08 Revised:1996-02-17 Published:1996-04-15
  • Contact: Zheng Qi-Ke

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关键词: SO2, 简并四波混频, 激光光谱

Abstract:

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.

Key words: SO2, DFWM, Laser Spectroscopy