A follow-up of the FOM fusion FEM for 1 MW, 1 s

TitleA follow-up of the FOM fusion FEM for 1 MW, 1 s
Publication TypeJournal Article
Year of Publication2001
AuthorsA.GA Verhoeven, W.A Bongers, V.L Bratman, S. Brons, G.G Denisov, C.AJ van der Geer, S.B van der Geer, O.G Kruijt, M.J de Loos, P. Manintveld, A.J Poelman, J. Plomp, A.V Savilov, P.HM Smeets, W.H Urbanus
JournalFusion Engineering and Design
Volume53
Pagination577-586
Date PublishedJan
ISBN Number0920-3796
Abstract

Experiments have been performed with the free-electron maser (FEM) at Rijnhuizen, a high-power mm-wave source. A unique feature of the FEM is the possibility to tune the frequency over the entire range from 130 to 260 GHz at an output power exceeding 1 MW. In the so-called inverse set-up, where the electron gun is mounted inside the high-voltage terminal, a peak power of 730 kW was measured at 200 GHz and of 350 kW at 167 GHz [1,2]. Furthermore, we made the design work to extend the pulse-length to 1 s. Detailed thermal behavior of the critical components is studied. Both the cavity mirrors and the depressed-collector electrodes seem to have adequate cooling. (C) 2001 Elsevier Science B.V. All rights reserved.

DOI10.1016/s0920-3796(00)00536-6
PID

656c7a116d4e502f1fc2ce97c0843e63

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