TENSOR ANALYSIS OF FEMTOSECOND RAMAN INDUCED POLARIZATION SPECTROSCOPY - APPLICATION TO THE STUDY OF ROTATIONAL COHERENCE

被引：58

作者：

MORGEN, M ^{[1
]}

PRICE, W ^{[1
]}

LUDOWISE, P ^{[1
]}

CHEN, Y ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT CHEM,BERKELEY,CA 94720

来源：

JOURNAL OF CHEMICAL PHYSICS | 1995年 / 102卷 / 22期

关键词：

D O I：

10.1063/1.468931

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：

In this paper we present a tensor analysis of Raman induced polarization spectroscopy (RIPS), a variation of time-resolved rotational coherence spectroscopy (RCS), developed in our laboratory to study coherent rotational motions in fluids over a range of densities. Based on the irreducible tensor algebra, the analysis separates the fundamental molecular response in RIPS from the dependence of the signal on geometric factors (i.e., laser polarizations). Explicit formulas for the femtosecond RIPS response of symmetric and asymmetric tops are derived. The results are in good agreement with experimental RIPS spectra of low pressure CO2 and O3. The tensor analysis is also generalized to other types of four wave mixing experiments, allowing detailed comparison of the various frequency- and time-domain pump-probe experiments. © 1995 American Institute of Physics.

引用

页码：8780 / 8789

页数：10

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