Abstract
The plasma density distributions in the slit aperture of the extended rectangular hollow cathode of the source of a ribbon electron beam are investigated experimentally. It is found that a local maximum whose parameters are determined by the discharge current appears in the density distribution when the slot width is less than a certain threshold value. This maximum results in an inhomogeneous current density distribution in the beam. It is shown that the appearance of the local maximum in the plasma density is related to the overlapping of the ion sheaths in the slit aperture of the hollow cathode.
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Original Russian Text © Yu.A. Burachevsky, V.A. Burdovitsin, A.S. Klimov, E.M. Oks, M.V. Fedorov, 2006, published in Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 76, No. 10, pp. 62–65.
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Burachevsky, Y.A., Burdovitsin, V.A., Klimov, A.S. et al. Plasma localization in an extended hollow cathode of the plasma source of a ribbon electron beam. Tech. Phys. 51, 1316–1319 (2006). https://doi.org/10.1134/S1063784206100094
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DOI: https://doi.org/10.1134/S1063784206100094