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Proceedings Paper

The effect of ultraviolet light on one-pulse process Pockels cell gas discharge
Author(s): Deng-sheng Wu; Xiong-jun Zhang; Yun Dong; Xiao-jun Zhou; Xiao-lin Tian
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Paper Abstract

Pockels cell driven by one-pulse process (OPP) is a new technique different from the regular plasma electrode Pockels cell (PEPC). In the OPP regime, only the positive and negative switching pulses will be supplied on opposite sides of the crystal. The OPP Pockels cell developed in our laboratory can work well at high working pressure. In this working pressure range, the gas is steady broken at the start of the switching pulse flattop. When the working gas is evacuated to low pressure, the discharge is unsteady. In an invariable electric field, the gas discharge is determined by the initial free electrons. At low pressure, the low density of initial electrons leads to the instability of gas discharge. The ultraviolet light conduces to increasing the density of the initial free electrons, and reducing the randomness of the initial free electrons. In this experiment, the ultraviolet light is used to irradiate the cathode of the Pockels cell. The experimental results show that, at low pressure, the breakdown of the working gas is steady, and the breakdown delay is shorter with ultraviolet irradiation.

Paper Details

Date Published: 15 September 2006
PDF: 6 pages
Proc. SPIE 6287, Optical Technologies for Arming, Safing, Fuzing, and Firing II, 62870H (15 September 2006); doi: 10.1117/12.683375
Show Author Affiliations
Deng-sheng Wu, Research Ctr. of Laser Fusion, CAEP (China)
Xiong-jun Zhang, Research Ctr. of Laser Fusion, CAEP (China)
Yun Dong, Research Ctr. of Laser Fusion, CAEP (China)
Xiao-jun Zhou, Univ. of Electronics Science and Technology of China (China)
Xiao-lin Tian, Research Ctr. of Laser Fusion, CAEP (China)


Published in SPIE Proceedings Vol. 6287:
Optical Technologies for Arming, Safing, Fuzing, and Firing II
William J. Thomes; Fred M. Dickey, Editor(s)

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