Haline Heidinger

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The first series tube of the 1-MW, 140 GHz, CW gyrotrons for W7-X passed the site acceptance test successfully. In short pulse operation the power was measured to be 1 MW, and for three minutes the power was 922 kW at efficiency of 45 %. At IPP the pulse length could be extended to 30 minutes with the same output power
A multi-frequency ECRH system with 4 gyrotrons, tunable in the range of 105-140 GHz, is currently under construction at ASDEX Upgrade with a total power of 4 MW and a pulse length of 10 s. A fast steerable launcher for feedback controlled deposition has been installed that allows for poloidal steering of 10/spl deg/ within 100 ms. Transmission line(More)
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