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Experiment for cusptron microwave tube

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4 Author(s)
Choe, J.Y. ; US Naval Surface Warfare Center, Silver Spring, MD, USA ; Boulais, K. ; Uhm, H.S. ; Namkung, W.

The cusptron microwave tube is a compact high-power device using the harmonic frequency generating scheme via the negative mass instability with an axis-rotating electron beam. Both the high and low harmonic modes of operation in the oscillator configuration have been successfully demonstrated, and the beam dynamics have been studied to improve beam quality. This device was shown to have superior quality in terms of mode purity and frequency stability. A program is now in preparation for conversion of the cusptron into an amplifier configuration. It is concluded that off-centering due to the unbalanced cusp is very harmful and that the staged field profile featuring a balanced cusp and an adiabatic compression phase is desirable

Published in:

Particle Accelerator Conference, 1989. Accelerator Science and Technology., Proceedings of the 1989 IEEE

Date of Conference:

20-23 Mar 1989