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Time resolved imaging study of phototriggered discharges in SF6 and Ne/SF6 mixtures

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5 Author(s)

The spatial dynamic of phototriggered discharges in SF6 and Ne/SF6 mixtures has been studied through gated intensified charge-coupled device camera measurements correlated to current and voltage measurements. Physical mechanisms involved in discharge instabilities, which limit performance of discharge pumped HF/DF lasers using H2 or D2, are under investigation. It Is shown that the high cathodic emission intensity and the discharge bulk glow are separated by a pronounced dark space. Arcs develop at a time which depends upon parameters such as the SF6 pressure and the current pulse duration

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Plasma Science, IEEE Transactions on  (Volume:27 ,  Issue: 1 )