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The Frascati Tokamak Upgrade (FTU) is a high magnetic field device with major radius 0.935 m and minor plasma radius 0.3 m. Its power supplies allow for 1.5 sec discharges at a plasma current of 1.6 MA with a toroidal field of 8 T. The main aim of the experiment was the study of plasmas of thermonuclear interest, with strong additional RF heating in regimes where electron and ion species are strongly coupled. To satisfy these requirements with lower hybrid (LH) waves, a frequency of 8 GHz was chosen and a 1 MW/sec gyrotron has been developed as RF power generator. Results obtained during the first months of operation with the first prototype tube are presented.

Additional information

Authors: TUCCILLO A A ET AL., ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Paper presented: 2nd International Workshop on Strong Microwaves in Plasmas, Nizhny Novgorod (SU), August 15-22, 1993
Availability: Available from (1) as Paper EN 37834 ORA
Record Number: 199311290 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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