Femtosecond nonlinear optical refraction of single crystal alumina doped with copper ions

被引：2

作者：

Yu, Xiang-xiang ^{[1
]}

Wang, Yu-hua ^{[1
]}

Zhang, Xiao-jian ^{[1
]}

Chen, Hua-jian ^{[1
]}

Wang, Deng-jing ^{[1
]}

Wang, Yu-mei ^{[2
]}

机构：

[1] Wuhan Univ Sci & Technol, Hubei Prov Key Lab Sci Met Proc, Wuhan 430081, Peoples R China

[2] Huazhong Univ Sci & Technol, Union Hosp, Dept Nephrol, Tongji Med Coll, Wuhan 430022, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 142卷

基金：

中国国家自然科学基金;

关键词：

Nanoparticles; Kerr effect; Optical properties; KERR-LENS AUTOCORRELATION; SAPPHIRE; NANOPARTICLES; SILVER; FIBER;

D O I：

10.1016/j.matlet.2014.12.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The single crystal alumina was fabricated by the Czochralski method. The copper ions were doped into the alumina sample to form the Cu:Al2O3 composite material. The doping energy is 35 key and the ion concentration is 1.2 x 1017 ions/cm(2). The suppercontinuum spectrum was investigated to show the larger nonlinear refraction of this composite material. The nonlinear optical refractive property of the Cu:Al2O3 composite material was investigated by using the Kerr-lens autocorrelation technique for the first time. The nonlinear optical refractive indices, n(2)=2.8 x 10(-15) cm(2)/W at 800 nm, is larger than the value of the single crystal alumina. The mechanism of the nonlinear optical refraction has been discussed and it is due to the optical Kerr effect. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：332 / 334

页数：3

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