Organic species with short cutoff wavelength and large second-order hyperpolarizability

被引：12

作者：

Duan, XM

Kimura, T

Okada, S

Oikawa, H

Matsuda, H

Kato, M

Nakanishi, H

机构：

[1] SCI UNIV TOKYO,FAC SCI & TECHNOL,NODA,CHIBA 278,JAPAN

[2] NATL INST MAT & CHEM RES,TSUKUBA,IBARAKI 305,JAPAN

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1996年 / 280卷

关键词：

NONLINEAR OPTICAL-PROPERTIES; SEMIEMPIRICAL METHODS; OPTIMIZATION; PARAMETERS;

D O I：

10.1080/10587259608040302

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In order to find short cutoff and large beta materials for second-order nonlinear optics, a series of substituted aromatic carboxylate anions and esters were investigated by semiempirical molecular orbital calculation. Methyl benzoates with a weak donor or benzoate anions with a weak acceptor at para-position were found to satisfy those conditions. Among them, optical properties of methyl 4-methoxybenzoate and its oligomers were studied by both calculation and experiment. The mu B values of oligomers consisting of N monomeric units were found to become N-times larger than the sum of N isolated monomers, though the absorption cutoff of oligomers stays almost the same as that of methyl 4-methoxybenzoate.

引用

页码：1 / 10

页数：10

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