A new type of organic donor-π-acceptor compounds with third-order nonlinear optical properties

被引：12

作者：

Cai, Zhibin ^{[1
]}

Zhou, Mao ^{[2
]}

Gao, Jianrong ^{[1
]}

机构：

[1] Zhejiang Univ Technol, State Key Lab Green Chem Synth Technol, Hangzhou 310014, Zhejiang, Peoples R China

[2] Hangzhou Sharply Pharmaceut Inst Co Ltd, Hangzhou 310052, Zhejiang, Peoples R China

来源：

OPTICAL MATERIALS | 2009年 / 31卷 / 08期

关键词：

Nonlinear optics; DFWM technique; Donor-pi-acceptor compound; Synthesis; Nonlinear optical property; 2ND HYPERPOLARIZABILITIES; CONJUGATED POLYMERS; THIN-FILMS; AB-INITIO; MOLECULES; POLARIZABILITIES; SUSCEPTIBILITY; DERIVATIVES; ABSORPTION; 2ND-ORDER;

D O I：

10.1016/j.optmat.2008.12.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ten new organic donor-pi-acceptor compounds were synthesized and characterized by UV, IR, H-1 NMR and elemental analysis. Off-resonant third-order nonlinear optical properties of the compounds were measured using femtosecond laser and degenerate four-wave mixing technique. The third-order nonlinear optical susceptibilities chi((3)) were 3.50-4.29 x 10(-13) esu. The nonlinear refractive indexes n(2) were 6.42-7.89 x 10(-12) esu. The second-order hyperpolarizabilities gamma of the molecules were 3.63-4.47 x 10(-31) esu. The response times were 69-112 fs. The results show that these compounds have potential nonlinear optical applications. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1128 / 1133

页数：6

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