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 elements, such as corrugated waveguides, polarizer mirrors and vacuum windows, are designed to cope for this frequency band.


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    Title :

    Progress in the new ECRH system for ASDEX Upgrade


    Contributors:
    Leuterer, F. (author) / Grunwald, G. (author) / Monaco, F. (author) / Munich, M. (author) / Ryter, F. (author) / Schutz, H. (author) / Wagner, D. (author) / Zohm, H. (author) / Franke, T. (author) / Dammertz, G. (author)


    Publication date :

    2004-01-01


    Size :

    154590 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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