Nonlinear optical properties of organic materials

被引：5

作者：

de Araújo, CB ^{[1
]}

Gomes, ASL ^{[1
]}

Bezerra, AG ^{[1
]}

da Silva, DA ^{[1
]}

de Melo, CP ^{[1
]}

Athayde, APF ^{[1
]}

da Rocha, GB ^{[1
]}

Miller, J ^{[1
]}

Simas, AM ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil

来源：

3RD IBEROAMERICAN OPTICS MEETING AND 6TH LATIN AMERICAN MEETING ON OPTICS, LASERS, AND THEIR APPLICATIONS | 1999年 / 3572卷

关键词：

retinal; mesoionic compounds; nonlinear susceptibilities; nonlinear refractive index; two-photon absorption;

D O I：

10.1117/12.358363

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The second-order hyperpolarizabilities of two groups of organic materials, retinal derivatives and mesoionic compounds, are obtained through measurements of nonlinear optical susceptibilities. The Z-scan technique was employed to characterize the sign and magnitude of the third-order nonlinear optical coefficient, whilst the Kerr Gate method was employed to infer the response time of the nonlinearity with 60fs resolution From these measurements, supported by quantum chemical theoretical calculations, the origin of the nonlinearity was determined for both materials.

引用

页码：12 / 20

页数：9

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