Second-harmonic generation in thermally poled Na2O-Al2O3-TeO2 glasses

被引:1
|
作者
Ukon, Sakiko [1 ]
Tsujiie, Yasuhito [1 ]
Murai, Shunsuke [1 ]
Fujita, Koji [1 ]
Tanaka, Katsuhisa [1 ]
机构
[1] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Nishikyo Ku, Kyoto 6158510, Japan
来源
GLASS - THE CHALLENGE FOR THE 21ST CENTURY | 2008年 / 39-40卷
关键词
thermal poling; tellurite glass; second-harmonic generation;
D O I
10.4028/www.scientific.net/AMR.39-40.247
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Tellurite glasses exhibit attractive optical properties such as high refractive index, high transmittance in the infrared-to-visible region, and large third-order nonlinear susceptibility. Poled tellurite glasses also show second-harmonic generation (SHG) as revealed by the present authors. However, there exist many unresolved problems in second-harmonic generation of oxide glasses; SH intensity is low and it decays at room temperature. In this work, the effect of Al2O3 addition on SH intensity and its decay has been explored for thermally poled sodium tellurite glasses. The decay rate of SH intensity is reduced by the addition of Al2O3. The result is similar to those reported for phosphate and silicate glasses containing Al2O3. Also, the glasses poled at a voltage of 4 kV manifest optimum poling temperature lower than that for the same glasses poled at 3 kV.
引用
收藏
页码:247 / 252
页数:6
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