A novel La3Ga5SiO14 electro-optic Q-switched Nd:LiYF (Nd:YLF) laser with a Cassegrain unstable cavity

被引：9
|
作者：
Li, YC [1 ]
Wang, QP
Zhang, SJ
Zhang, XY
Liu, ZJ
Jiang, ZF
Liu, ZJ
Li, ST
机构：
[1] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2005年 / 244卷 / 1-6期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Nd : LiYF (Nd : YLF); Brewster cut; La3Ga5SiO14; unstable cavity; electro-optic Q-switch;
D O I：
10.1016/j.optcom.2004.09.048
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A Nd:LiYF (Nd:YLF) laser which is actively electro-optic Q-switched with a La3Ga5SiO14 single crystal was designed. Each end of the Nd:YLF rod was cut at Brewster's angle, which ensures operation at 1.053 mum and saves the need of a polarizor. The dynamic to static rate, the insertion loss and the optical damage threshold of LGS Q-switch is 76%, 2% and 950 MW/cm(2), respectively. Compared with KD2PO4, LGS is lack of water-solubility in air. When the pump energy is 121 J, the energy of single pulse output is 275 mJ with the repetition rate of 3 Hz and the beam divergence angle of 0.7 mrad. The mode of operation, the input-output characteristics and linear polarization ratio of this laser are also discussed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：333 / 338
页数：6
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