Generalized gyrotron theory with inclusion of adiabatic electron trapping in the presence of a depressed collector

M. I. Airila, O. Dumbrajs

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

The effect of electrostatic adiabatic electron trapping in the presence of a depressed collector has been included in gyrotron efficiency computations. The results are presented as general contour plots in the control parameter plane. A condition for trapping is derived in terms of the retarding voltage. The overall electron efficiency as a function of the retarding voltage has been calculated for a representative set of control parameters including the effect of electron velocity spread. It is found that the onset of trapping seriously decreases the efficiency.

Original languageEnglish
Pages (from-to)1358-1362
Number of pages5
JournalPhysics of Plasmas
Volume8
Issue number4
DOIs
Publication statusPublished - 1 Apr 2001
MoE publication typeA1 Journal article-refereed

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