Protonation effect on the nonlinear absorption, nonlinear refraction and optical limiting properties of tetraphenylporphyrin

被引：2

作者：

张校亮 ^{[1
]}

陈小红 ^{[2
]}

机构：

[1] College of Biomedical Engineering Taiyuan University of Technology

[2] College of Physics and Optoelectronics Taiyuan University of Technology

来源：

OptoelectronicsLetters | 2019年 / 15卷 / 02期

基金：

中国国家自然科学基金;

关键词：

TPP; DMF; nonlinear refraction and optical limiting properties of tetraphenylporphyrin;

D O I：

暂无

中图分类号：

O437 [非线性光学（强光与物质的作用）]; O626 [杂环化合物];

学科分类号：

070207 ; 070303 ; 0803 ; 081704 ;

摘要：

Nonlinear optical properties of tetraphenylporphyrin（H;TPP） and protonated tetraphenylporphyrin(H;TPP;) in toluene were investigated by Z-scan technique using a nanosecond laser with 5 ns pulse at 532 nm.Results show that H;TPP;exhibits weaker nonlinear refraction but enhanced reverse saturable absorption（RSA） and optical limiting performance in comparison with pristine H;TPP.Since no nonlinear scattering is observed in H;TPP;under low input fluence, and H;TPP;exhibits weaker nonlinear scattering signals than H;TPP under high input fluence, the enhancement of RSA and optical limiting performance can be attributed to the larger ratio of excited state absorption cross-section to that of the ground state of H;TPP;.H;TPP;also exhibits superior optical limiting performance, even better than the benchmark RSA material C;.

引用

页码：135 / 138

页数：4