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Analysis of high-efficiency multistage depressed collectors based on the 3-D finite-element method

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>20/11/2000
<mark>Journal</mark>Microwave and Optical Technology Letters
Issue number4
Number of pages4
Pages (from-to)275-278
<mark>Original language</mark>English


An important feature in the realization of modem TWTs is the design of high-efficiency multistage depressed collectors. The results presented in this letter show that the 3-D finite-element method provides an excellent and fast means for the simulation of complex structures. An axisymmetrical four-stage collector and an asymmetrical four-stage collector are presented and simulated, showing the 3-D mesh distribution and the electron trajectory plots. (C) 2000 John Wiley & Sons, Inc.