Third-order optical nonlinearities of sol-gel silica coating films containing metal porphyrin derivatives measured by resonant femtosecond degenerate four-wave mixing technique

被引：0

作者：

Kasatani, K ^{[1
]}

Okamoto, H ^{[1
]}

Takenaka, S ^{[1
]}

机构：

[1] Yamaguchi Univ, Fac Eng, Dept Adv Mat Sci & Eng, Yamaguchi, Japan

来源：

OPTICS FOR THE QUALITY OF LIFE, PTS 1 AND 2 | 2003年 / 4829卷

关键词：

D O I：

10.1117/12.525524

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Third-order optical nonlinearities of sol-gel silica coating films containing metal porphyrin derivatives were measured under resonant conditions by the femtosecond degenerate four-wave mixing (DFWM) technique. Temporal profiles of the DFWM signal were measured with a time resolution of 0.3 ps, and were found to consist of two components, the coherent instantaneous nonlinear response and the delayed response with a decay time constant of several to several hundred ps. The latter can be attributed to population grating of an excited state, and contribution of slow component was very little for a zinc porphyrin derivative. The values of electronic component of the optical nonlinear susceptibility, chi((3)) (xxxx), for these films were ca. 2 x 10(-10) esu.

引用

页码：117 / 118

页数：2

共 32 条

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[9] Determination of Third-Order Optical Nonlinearity of Triphenylamine from Femtosecond Degenerate Four-Wave Mixing in Solutions
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