The effect of ultraviolet light on one-pulse process Pockels cell gas discharge

Deng-sheng Wu; Xiong-jun Zhang; Yun Dong; Xiao-jun Zhou; Xiao-lin Tian

doi:10.1117/12.683375

15 September 2006 The effect of ultraviolet light on one-pulse process Pockels cell gas discharge

Deng-sheng Wu, Xiong-jun Zhang, Yun Dong, Xiao-jun Zhou, Xiao-lin Tian

Proceedings Volume 6287, Optical Technologies for Arming, Safing, Fuzing, and Firing II; 62870H (2006) https://doi.org/10.1117/12.683375
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

Deng-sheng Wu, Xiong-jun Zhang, Yun Dong, Xiao-jun Zhou, and Xiao-lin Tian "The effect of ultraviolet light on one-pulse process Pockels cell gas discharge", Proc. SPIE 6287, Optical Technologies for Arming, Safing, Fuzing, and Firing II, 62870H (15 September 2006); https://doi.org/10.1117/12.683375

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