CHROMOPHORES FOR 2ND-ORDER NONLINEAR OPTIC MATERIALS

被引：49

作者：

DENNING, RG

机构：

[1] Inorganic Chemistry Laboratory, Oxford, OX1 3QR, South Parks Road

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1995年 / 5卷 / 03期

关键词：

D O I：

10.1039/jm9950500365

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 theory of the electro-optic effect and second harmonic generation is developed in the context of the linear Stark effect. This leads to an emphasis both on the optical bandwidth of the charge-transfer transitions responsible for the hyperpolarisability, and on the relationship between the transition energies and optical frequency of an electro-optic device. A simple treatment of vibronic coupling illustrates the connection between the bond-length alternation in conjugated polyenes and the sign and magnitude of the non-linearity. A brief survey is made of current chemical strategies for optimising the non-linearity.

引用

页码：365 / 378

页数：14

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