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Report No.

Development of a dust-free technique for a high-field photocathode DC electron gun

Nagai, Ryoji; Sawamura, Masaru; Nishimori, Nobuyuki; Hajima, Ryoichi

In order to realize a high-brightness and monochromatic light source based on accelerator technologies, increasing of the cathode surface field of an electron gun is mandatory. Dust-free technique is a key technology to realize a high-field electron gun. We propose a new style dust-free technique. In this paper, R&D status and result of the preliminary test of the dust-free technique are reported.



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