The characteristics of a negative corona discharge in He/Xe/SF6 mixture |
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Authors: | A K Shuaibov |
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Institution: | (1) Uzhgorod State University, Pidhirna, str. 46 Uzhgorod, Ukraine |
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Abstract: | The results of investigation of the electrical and optical characteristics of a negative corona discharge in the electrode system of the type needle-grid lit in a He/Xe/SF6 mixture under the pressure of 100–300 kPa are presented in this paper. The given medium is working for a pulse-periodic excimer lamp on = 351 nm XeF(B–X). Distributed on the length of a lamp active media a bipolar corona discharge is intended for using in the electric circulation of the XeF-lamp working medium. It is shown that the given discharge is ignited steadily in the He/Xe/SF6 mixture, containing 0, 5kPa SF6 molecules and is characterised by a low power consumption; the current of the discharge is limited to the development of instability by increasing the voltage on the needles; in hot zones of corona discharge SF6 molecules cause the effective population 6s of XeI state. |
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