The optical limiting properties of carbon and platinum nanocomposite with conversion characteristic from reverse saturable absorption to saturable absorption

被引：0
|
作者：
Chang Qing [1 ]
Chang Cun
Ye Hongan
Yin Geping
Wang Yuxiao [1 ]
Zhang Xueru [1 ]
Song Yinglin [1 ]
机构：
[1] Heilongjiang Univ, Coll Elect Engn, Harbin 150001, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON SMART MATERIALS AND NANOTECHNOLOGY IN ENGINEERING, PTS 1-3 | 2007年 / 6423卷
基金：
中国国家自然科学基金;
关键词：
optical limiting; nonlinear absorption conversion; platinum polycrystal; carbon nanoparticles;
D O I：
10.1117/12.780320
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The optical limiting (OL) properties of the nanocomposites containing highly-dispersed platinum polycrystal particles in carbon nanoparticles (Pt/C) were studied by using a Q-switched Nd:YAG laser system at 532 nm with pulse width of 8 ns. It is observed that Pt/C water suspension exhibits stronger OL property than that of C60 toluene solution. The OL experimental results also show that Pt/C has the conversion characteristic from reverse saturable absorption (RSA) to saturable absorption (SA) with the increasing light intensity. The experimental results were analyzed in detail.
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页数：6
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