Nonlinear optical response of colloidal gold nanoparticles studied by hyper-Rayleigh scattering technique

被引：15
|
作者：
Shen, YC [1 ]
Tang, ZM [1 ]
Gui, MZ [1 ]
Cheng, JQ [1 ]
Wang, X [1 ]
Lu, ZH [1 ]
机构：
[1] Southeast Univ, Natl Lab Mol & Biomol Elect, Nanjing 210096, Peoples R China
来源：
CHEMISTRY LETTERS | 2000年 / 10期
关键词：
D O I：
10.1246/cl.2000.1140
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hyper-Rayleigh scattering (HRS) technique is used to study the nonlinear optical response of nanocrystalline gold particle suspensions. The signal intensity measured at 400 nm has a cubic dependence on the pump laser energy at 1064 nm, indicating that the measured signal is due to a third-order nonlinear optical process, namely three-photon excited fluorescence (3PF). To the best of our knowledge, this is the first experimental observation of 3PF for colloidal gold nanoparticle suspensions.
引用
收藏
页码：1140 / 1141
页数：2
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