Abstract

This paper briefly describes the experimental verification of the properties of a wide dynamic range crossed-field gun [1]. This gun, which is a combination of a Kino short gun (or it could be a Kino long gun) and a two-section transformer region, can be used to inject electron beams (with cathode current density varying over a wide range) into the interaction region under optimum conditions and under conditions of a fixed magnetic field. The beam injection level and its injection velocity can also be varied over a wide range by suitably adjusting the electric fields in the two sections of the transformer. The fabrication of the experimental tube is also briefly described.

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