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Citation: Gao Wen-Bin, Rudert A D, Martin J, Zacharis H, Halpern J.B.. A Study of the Optical AC Stark Effect and Orientation of C₂H₂ Rovibrational States (X1∑g+,ν2”=1,J”)[J]. Acta Physico-Chimica Sinica, ;1999, 15(05): 436-442. doi: 10.3866/PKU.WHXB19990510 shu

A Study of the Optical AC Stark Effect and Orientation of C₂H₂ Rovibrational States (X1∑g+,ν2”=1,J”)

1.
Hangzhou Insitute of Electronics Engineering,Hangzhou 310037

Received Date: 10 August 1998
Available Online: 15 May 1999

The selective preparation of C2H2 in discrete rovibrational states of v"2 mode in its electronic ground state (x1Σ+g, v"2 = 1, J") is achieved by stimulated Raman pumping. The optical AC Stark effect and orientation have been observed from the UV laser induced fluorescence signalA1 Au (v'3 = 1, J, ) -X1Σ+ (v", = 1, J") using different polarizations of Raman pumping and probing lasers. The calculated Raman line-shapes based on the Stark profile broadening numerical model agree well with the experimentally measured profiles.
- Stimulated Raman pumping,
- Optical AC Stark effect,
- Orientation
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通讯作者: 陈斌, bchen63@163.com

A Study of the Optical AC Stark Effect and Orientation of C₂H₂ Rovibrational States (X1∑g+,ν2”=1,J”)