Method to reduce breakdown time delay and jitter of large aperture electro-optic switch by one-pulse process

yang jian-jun; zhou xiao-jun; guo wen-qiong; zhang xiong-jun; sui zhan; wu deng-sheng

Volume 20 Issue 07

Jul. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(07): 0-

Hui Hongchao, Guo Yajing, Xiong Zhimin, et al. Evaluation of reliability for image processing of high power laser’s automatic alignment[J]. High Power Laser and Particle Beams, 2013, 25: 867-871.

Citation:

yang jian-jun, zhou xiao-jun, guo wen-qiong, et al. Method to reduce breakdown time delay and jitter of large aperture electro-optic switch by one-pulse process[J]. High Power Laser and Particle Beams, 2008, 20.

Hui Hongchao, Guo Yajing, Xiong Zhimin, et al. Evaluation of reliability for image processing of high power laser’s automatic alignment[J]. High Power Laser and Particle Beams, 2013, 25: 867-871.

Citation:

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Method to reduce breakdown time delay and jitter of large aperture electro-optic switch by one-pulse process

1.
School of Opto-electronic Information,University of Electronic Science and Technology of China,Chengdu 610054,China;
2.
Key Laboratory of Broadband Optical Fiber Transmission and Communication Networks,University of Electronic Science and Technology of China,Chengdu 610054,China;
3.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Publish Date: 2008-07-15

Abstract

Abstract

The breakdown time delay and jitter are very important for the plasma-electrode Pockels cells(PEPC) electro-optic switch driven by one-pulse process. Their reduction is the key to improve the performance large aperture electro-optic switches. A method is proposed in this paper: the cathode is illuminated by ultraviolet ray, so that the secondary electron can be excited and come into a steady initialized electron flow on the surface of the cathode. Under the high voltage pulse, the initial electron flow avalanches quickly in the cell, and the helium gas breaks down and discharge happened. Experimental results have demonstrated that the method did reduce the switching time and the time jitter. And the average time jitter and the average breakdown time delay were cut down by 88% and 36%, resp
- plasma-electrode,
- pockels cells,
- electro-optic switch,
- breakdown time delay,
- time jitter

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