|Title||Control and RF-transmission in the ECW system on TEXTOR-94|
|Publication Type||Journal Article|
|Year of Publication||2001|
|Authors||N.J Dobbe, A.B Sterk, R Kruisbergen, O.G Kruyt, M.E Bestebreurtje, P.R Prins, J.A Hoekzema, A.F van der Grift, B.SQ Elzendoorn|
|Journal||Fusion Engineering and Design|
A real-time and multitasking control system has been developed for the new ECW system on the TEXTOR tokamak. It allows the system to be remotely controlled by client/server application. A quasi-optical transmission line has been installed which uses confocal mirrors and can be used for different frequencies ( > 100 GHz). It is suitable for transmission of up to two RF beams from different sources to the plasma. The launcher is mounted in a main horizontal port and injects a focused beam with a spot size of 2 cm (at 110 GHz) near the plasma axis. The launcher is steerable independently in the toroidal and poloidal directions. (C) 2001 Elsevier Science B.V. All rights reserved.
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