Third-order nonlinear optical properties of gold nanoshells in aqueous solution

被引：13
|
作者：
Wu, D. J. [1 ,2 ]
Liu, X. J. [1 ]
Liu, L. L. [3 ]
Qian, W. P. [3 ]
机构：
[1] Nanjing Univ, Dept Elect Sci & Engn, Key Lab Modern Acoust MOE, Nanjing 210093, Peoples R China
[2] Jiangsu Univ, Fac Sci, Zhenjiang 212013, Peoples R China
[3] Southeast Univ, State Key Lab Bioelect, Nanjing 210096, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2008年 / 92卷 / 02期
关键词：
D O I：
10.1007/s00339-008-4539-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The third-order nonlinear optical properties of gold nanoshells in aqueous solution have been investigated by using open- and closed-aperture Z-scan methods. The real and imaginary third-order nonlinear susceptibilities are obtained to be about -1.1422 x 10(-1)3supercript stop and -2.4302 x 10(-1)4supercript stop esu, respectively. We further have investigated the electric field enhancement for gold nanoshells in aqueous solution by means of a finite-element method and ascribed the small third-order nonlinear susceptibility to the smaller volume fraction and local field factor.
引用
收藏
页码：279 / 282
页数：4
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