Growth, properties and application as an electrooptic Q-switch of langasite crystal

被引：62

作者：

Kong, HK ^{[1
]}

Wang, JY ^{[1
]}

Zhang, HJ ^{[1
]}

Yin, X ^{[1
]}

Zhang, SJ ^{[1
]}

Liu, YG ^{[1
]}

Cheng, XF ^{[1
]}

Gao, L ^{[1
]}

Hu, XB ^{[1
]}

Jiang, MH ^{[1
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2003年 / 254卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

electrooptic coefficients; Czochralski method; La3Ga5SiO14; electrooptic materials; electrooptic Q-switch;

D O I：

10.1016/S0022-0248(03)01106-0

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

La3Ga5SiO14 (langasite, LGS) was successfully grown by the Czochralski method. The transparency range, specific heat, thermal expansion, resistivity, dielectric constants, optical damage threshold and electrooptic (EO) coefficients of langasite crystal, have been determined. The transmission spectrum showed that the UV absorption edge of the colorless crystal is about 240 mu. The EO coefficients gamma(11) and gamma(41) are measured by the interferometric method and are 2.3 and 1.8 pm/V, respectively. A new EO Q-switch was successfully designed and fabricated by using the LGS crystal. The experimental results show that the new EO Q-switch made of langasite works properly. This is the first time that an EO Q-switch has been successfully operated with LGS as an EO crystal. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：360 / 367

页数：8

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