DETERMINATION OF ALIGNMENT PARAMETERS FOR SYMMETRICAL-TOP MOLECULES USING NONRESONANT 2-PHOTON ABSORPTION

被引：16

作者：

MEYER, H

机构：

[1] Institut für Anorganische, Analytische und Physikalische Chemie, Universität Bern, CH-3000 Bern 9

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 230卷 / 06期

关键词：

D O I：

10.1016/0009-2614(94)01195-8

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：

The polarization dependence of the two-photon absorption signal is described directly in terms of the matrix elements of the irreducible representation of the two-photon absorption tenser operator for an ensemble with cylindrical symmetry probed with identical photons of linear polarization. Nonvanishing matrix elements are easily determined from the known tenser patterns of the specific two-photon transition. The formalism is applicable to the extraction of alignment parameters for symmetric top molecules as well as diatomics produced in collisions of unpolarized particles or in the photodissociation with a single photon of linear polarization.

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页码：510 / 518

页数：9

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