Commissioning of inline ECE system within waveguide based ECRH transmission systems on ASDEX upgrade

W.A. Bongers; W. Kasparek; N. Doelman; R. van den Braber; H. van den Brand; F. Meo; M.R. de Baar; F.J. Amerongen; A.J.H. Donné; B.S.Q. Elzendoorn; V. Erckmann; A.P.H. Goede; L. Giannone; G. Grünwald; F. Hollman; G. Kaas; B. Krijger; G. Michel; L. Lubyako; F. Monaco; F. Noke; M. Petelin; B. Plaum; F. Purps; J.G.W ten Pierik; C. Schüller; J.W. Slob; J.K. Stober; H. Schütz; D. Wagner; E. Westerhof; D.M.S. Ronden

doi:10.1051/epjconf/20123203006

All issues

Volume 32 (2012)

EPJ Web of Conferences, 32 (2012) 03006

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 32, 2012 EC-17 – 17^th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating


Article Number		03006
Number of page(s)		6
Section		ECE session
DOI		https://doi.org/10.1051/epjconf/20123203006
Published online		06 September 2012

EPJ Web of Conferences 32, 03006 (2012)
https://doi.org/10.1051/epjconf/20123203006

Commissioning of inline ECE system within waveguide based ECRH transmission systems on ASDEX upgrade

W.A. Bongers¹, W. Kasparek², N. Doelman³, R. van den Braber³, H. van den Brand¹^,4, F. Meo⁵, M.R. de Baar¹^,4, F.J. Amerongen¹, A.J.H. Donné¹^,4, B.S.Q. Elzendoorn¹, V. Erckmann⁶, A.P.H. Goede¹, L. Giannone², G. Grünwald⁶, F. Hollman⁶, G. Kaas¹, B. Krijger¹, G. Michel⁶, L. Lubyako⁷, F. Monaco⁶, F. Noke⁶, M. Petelin⁷, B. Plaum², F. Purps⁶, J.G.W ten Pierik¹, C. Schüller¹, J.W. Slob¹, J.K. Stober⁶, H. Schütz⁶, D. Wagner⁶, E. Westerhof¹, D.M.S. Ronden¹, teams at the contributing institutes¹^,2^,3^,5^,6^,7 and the ASDEX Upgrade Team⁶

¹ Dutch Institute For Fundamental Energy Research, NL-3439 BE Nieuwegein, The Netherlands
² Institut für Plasmaforschung, Universität Stuttgart, D-70569 Stuttgart, Germany
³ Department of OptoMechatronics, TNO Technical Sciences, NL-2600 AD, Delft, The Netherlands
⁴ Eindhoven University of Technology, NL-5600 MB, Eindhoven, The Netherlands
⁵ Risø DTU National Laboratory for Sustainable Energy, DK-4000 Roskilde, Denmark
⁶ Max-Planck-Institut für Plasmaphysik, EURATOM Association D-17491 Greifswald, and D-85748 Garching, Germany
⁷ Inst. of Applied Physics, Russian Academy of Science, 603950 Nizhny Novgorod, Russia

Abstract

A CW capable inline electron cyclotron emission (ECE) separation system for feedback control, featuring oversized corrugated waveguides, is commissioned on ASDEX upgrade (AUG). The system is based on a combination of a polarization independent, non-resonant, Mach-Zehnder diplexer equipped with dielectric plate beam splitters [2, 3] employed as corrugated oversized waveguide filter, and a resonant Fast Directional Switch, FADIS [4, 5, 6, 7] as ECE/ECCD separation system. This paper presents an overview of the system, the low power characterisation tests and first high power commissioning on AUG.

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