EPJ Web of Conferences
Volume 32, 2012EC-17 – 17th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating
|Number of page(s)||6|
|Published online||06 September 2012|
Commissioning of inline ECE system within waveguide based ECRH transmission systems on ASDEX upgrade
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
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.
© Owned by the authors, published by EDP Sciences 2012
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