Generalized few-state models for two-photon absorption of conjugated molecules

被引：126

作者：

Cronstrand, P ^{[1
]}

Luo, Y ^{[1
]}

Ågren, H ^{[1
]}

机构：

[1] Royal Inst Technol, SCFAB, S-10691 Stockholm, Sweden

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 352卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(01)01454-3

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：

We present three- and four-state models for two-photon absorption (TPA) cross-sections generalized to include dipolar direction information and polarization effects of the laser beam. By introducing an effective dipole moment which incorporates the directions of the transition dipole moments and the influence of additionally strongly coupled excited states we can distinguish between different effects leading to enhanced two-photon absorption. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：262 / 269

页数：8

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