Decay dynamics of excited CS2 and NH3 investigated by femtosecond laser

被引：1
|
作者：
Zhang, JY
Liu, HP
Ying, SH
Jiang, B
Xu, DL
Wang, L [1 ]
Lou, NQ
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
[2] Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2002年 / 47卷 / 18期
基金：
中国国家自然科学基金;
关键词：
femtosecond; lifetime; pump-probe;
D O I：
10.1360/02tb9335
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
By using the home-made femtosecond laser system and the time-of-flight mass spectrometer, the decay dynamics of excited carbon disulfide (CS2) and ammonia (NH3) are investigated in real time by pump-probe multiphoton ionization detection. The estimated lifetime constant of the NH3 (A) over tilde (1)A(2)' state (51+/-4 fs) agreed quite well with the literature report. For the first time, the decay lifetime constants of the NH3 (E) over tilde'(1)A(1)' state (937+/-93 fs), the CS2 (a) over tilde (3)A(2) state (153+/-10 fs), and the CS2 Rydberg state [(3)/(2)]6ssigma(g) ((3)Pi(g)) (948+/-23 fs) are obtained.
引用
收藏
页码：1523 / 1528
页数：6
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