Tunable Optical Limiting Action due to Non-linear Absorption in ZnO/Ag Nanocomposites

被引：2
|
作者：
Radhu, S. [1 ]
Vijayan, C. [1 ]
Sandeep, Suchand [2 ]
Philip, Reji [2 ]
机构：
[1] Indian Inst Technol, Dept Phys, Madras 600036, Tamil Nadu, India
[2] Raman Res Inst, Opt Grp, Bangalore 560080, Karnataka, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
Nanocomposites; Optical non-linearity; Optical limiting;
D O I：
10.1063/1.3605916
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
ZnO/Ag nanocomposites with different silver concentration are successfully synthesized by solvothermal method. The characterization of the as-synthesized samples is done using XRD, UV-visible spectroscopy and HRTEM and the results indicate that the composites consist of silver nanoparticles attached to the ZnO nanoparticles. The optical non-linearity in these samples is studied using open aperture Z-scan technique and the experimental results agree well with a theoretical model involving two-photon absorption. It is found that the parameters of optical limiting can be tuned in a broad band by varying the silver concentration in the samples.
引用
收藏
页码：425 / +
页数：2
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