Competition between the excited-state refraction and excited-state absorption induced transient thermal refraction of metallic porphyrin compound

被引：4
|
作者：
Chen Yu-Ming [1 ]
Wang Yu-Xiao [1 ]
Jiang Li [2 ]
Zhang Xue-Ru [1 ]
Yang Jun-Yi [3 ]
Li Yu-Liang [2 ]
Song Ying-Ling [1 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[3] Suzhou Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
来源：
ACTA PHYSICA SINICA | 2009年 / 58卷 / 02期
基金：
中国国家自然科学基金;
关键词：
metallic porphyrin compound; excited-state refraction; transient thermal refraction; INDUCED OPTICAL NONLINEARITIES; ORGANIC MATERIALS; 3RD-ORDER; PROPAGATION;
D O I：
10.7498/aps.58.995
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The competition between the excited-state absorption induced transient thermal refraction and the excited-state refraction of a novel metallic porphyrin compound Zn-porphyrin was studied by the excited-state absorption induced transient thermal refraction theory combined with the excited-state refraction theory. The transformation between self-focusing and self-defocusing of the sample for different pulse widths was observed. The sample exhibited self-focusing effect attributed mainly to excited-state refraction for 4 ns laser pulse, while in the self-defocusing effect for 8 ns laser pulse the excited-state absorption induced transient thermal refraction dominates the excited-state refraction.
引用
收藏
页码：995 / 1001
页数：7
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