Second-harmonic generation from thermally poled PbO-GeO2 glasses

被引：10

作者：

Nasu, H ^{[1
]}

Ito, Y ^{[1
]}

Yamamoto, Y ^{[1
]}

Hashimoto, T ^{[1
]}

Kamiya, K ^{[1
]}

机构：

[1] Mie Univ, Fac Engn, Dept Chem Mat, Tsu, Mie 5148507, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2001年 / 109卷 / 04期

关键词：

nonlinear optical glasses; second-harmonic generation; homogeneous glasses; PbO-GeO2; glasses; germanium anomaly; non-bridging oxygen;

D O I：

10.2109/jcersj.109.1268_366

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：

Second-harmonic generation (SHG) was observed from PbO-GeO2 glasses after thermal poling. As in PbO-SiO2 glasses, the compositional dependence of SHG intensity was found, although the SHG intensity was rather small. The largest SHG intensity was observed for about PbO = 35 mol%. On the basis of extended X-ray analysis fine structure (EXAFS) results previously obtained, it was considered that remarkable increase of SHG intensity found for PbO > 20 mol% was caused by the formation of non-bridging oxygens. On the other hand, then the decrease of the intensity at PbO > 35 mol% was due to the disappearance of non-bridging oxygens.

引用

页码：366 / 368

页数：3

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