Femtosecond nonlinear optical response of metallophthalocyanine films

被引：62

作者：

Ma, GH

Guo, LJ

Mi, J

Liu, Y

Qian, SX ^{[1
]}

Pan, DC

Huang, Y

机构：

[1] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

[2] Shanghai Jiao Tong Univ, Coll Chem & Chem Technol, Shanghai 200240, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2001年 / 118卷 / 12期

关键词：

organic crystals; optical properties; nonlinear optics;

D O I：

10.1016/S0038-1098(01)00183-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 [凝聚态物理];

摘要：

The third-order nonlinear optical properties of copper phthalocyanine (CuPc) and magnesium phthalocyanine (MgPc) films were investigated by femtosecond optical Kerr effect (OKE) and pump-probe techniques. For both CuPc and MgPc, the third-order nonlinear optical susceptibility was enhanced at least by one order of magnitude in comparison with that of the metal-free Pc, and the enhancement effect arises from different mechanisms for both films. From pump-probe measurement, quite different transmittance and decay behavior between CuPc and MgPc films were observed. The CuPc films show an ultrafast decay, while the decay behavior of MgPc him is complicated with several temporal components, which could be explained by the relaxation of singlet excited state. (C) 2001 Published by Elsevier Science Ltd.

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收藏

页码：633 / 638

页数：6

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