FEMTOSECOND RAMAN-INDUCED POLARIZATION SPECTROSCOPY STUDIES OF ROTATIONAL COHERENCE IN O2, N2 AND CO2

被引：77
|
作者：
MORGEN, M
PRICE, W
HUNZIKER, L
LUDOWISE, P
BLACKWELL, M
CHEN, Y
机构：
[1] Department of Chemistry, University of California, Berkeley
来源：
CHEMICAL PHYSICS LETTERS | 1993年 / 209卷 / 1-2期
关键词：
D O I：
10.1016/0009-2614(93)87192-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Using the femtosecond Raman-induced polarization spectroscopy (RIPS) technique, we have observed ground vibronic state rotational coherence in gaseous N2, CO2 and O2. Both theoretical and experimental studies are reported. The theory is in excellent agreement with experiment. At earlier pump-probe delays, the time evolution of the polarization recurrence is well described by a rigid rotor model. Higher order spectroscopic constants are extracted from longer delay time spectra. The rotational relaxation constants for ground vibronic state N2 and O2 are also measured using the real-time technique.
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页码：1 / 9
页数：9
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