中国激光, 2006, 33 (suppl): 153, 网络出版: 2006-04-21  

紧缩型80 mm×80 mm单脉冲过程电光开关

Compact Pockels Cell with 80 mm×80 mm Aperture Drived by One-Pulse Process
作者单位
中国工程物理研究院激光聚变研究中心, 四川 绵阳 621900
摘要
单脉冲过程驱动电光开关与传统的等离子体电极电光开关不同,没有独立的大电流等离子体发生单元,可大幅度降低电光开关工程造价,提高其可靠性和稳定性。泡克耳斯盒主体采用一体化紧缩型结构,驱动源由一正一负两台开关脉冲发生器组成,采用仿真线成形技术。实验结果显示研制的80 mm×80 mm口径单脉冲过程电光开关具有较宽的气压工作范围,气体击穿延时稳定,采用脉冲激光器和光电二极管对其进行了开关特性测试,静态透射率为92.9%,静态消光比为3900,全口径平均开关效率为99.7%。
Abstract
Being different with the regular plasma electrode Pockels cell, the electro-optical switch is driven only through the positive and negative switching pulse voltage as the one-pulse-process (OPP) without iselated intense current plasma cells. So the reliability and the stability of optical switch are improved and its cost reduced. The Pockels cell with 80 mm×80 mm aperture is designed compact and the artificial line forming technique is used in the driving source. Experimental result indictes that it has wide rang of operating pressure and negligible jitter in breakdown. The performance of the Pockels cell is excellent with static transmission of 92.9%, the static extinction of 3900, the switch efficiency of 99.7%, which are measured with pulsed laser and photodiode.

张雄军, 吴登生, 林东晖, 田晓琳, 郑奎兴. 紧缩型80 mm×80 mm单脉冲过程电光开关[J]. 中国激光, 2006, 33(suppl): 153. 张雄军, 吴登生, 林东晖, 田晓琳, 郑奎兴. Compact Pockels Cell with 80 mm×80 mm Aperture Drived by One-Pulse Process[J]. Chinese Journal of Lasers, 2006, 33(suppl): 153.

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