Third-order nonlinear optical response of push-pull azobenzene polymers

被引：98

作者：

Papagiannouli, I. ^{[1
,2
]}

Iliopoulos, K. ^{[3
]}

Gindre, D. ^{[3
]}

Sahraoui, B. ^{[1
,3
]}

Krupka, O. ^{[4
]}

Smokal, V. ^{[4
]}

Kolendo, A. ^{[4
]}

Couris, S. ^{[1
,2
]}

机构：

[1] Fdn Res & Technol Hellas FORTH, Inst Chem Engn & High Temp Chem Proc ICE HT, Patras 26504, Greece

[2] Univ Patras, Dept Phys, Patras 26504, Greece

[3] Univ Angers, LUNAM Univ, CNRS UMR 6200, Lab MOLTECH Anjou, Angers, France

[4] Kyiv Taras Shevchenko Natl Univ, UA-01033 Kiev, Ukraine

来源：

CHEMICAL PHYSICS LETTERS | 2012年 / 554卷

关键词：

SUSCEPTIBILITY; DERIVATIVES;

D O I：

10.1016/j.cplett.2012.10.007

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 nonlinear optical response of a series of azo-containing side-chain polymers is investigated using Z-scan technique, employing 35 ps and 4 ns laser pulses, at 532 nm. The systems were found to exhibit strong nonlinear optical response, dominated by nonlinear refraction. In all cases, the nonlinear absorption and refraction have been determined and are compared with those of disperse red 1 considered as reference. The corresponding third-order susceptibilities chi((3)) were determined to be as large as 10 (7) and 10 (5) esu under ps and ns laser excitation, respectively. Finally, the results are discussed and compared with other reported data. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：107 / 112

页数：6

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