scholarly journals Development of High Power Radio Frequency Components for Fusion Plasma Heating Final Report CRADA No. TC-0462-93

2018 ◽  
Author(s):  
Malcolm Caplan ◽  
Richard W. Callis
Keyword(s):  
Radio Frequency ◽  
High Power ◽  
Plasma Heating ◽  
Final Report ◽  
Fusion Plasma ◽  
Frequency Components

Recent progress of high-power negative ion beam development for fusion plasma heating

1997 ◽  
Vol 49 (6) ◽  
pp. 631-639 ◽  
Author(s):  
Kazuhiro Watanabe ◽  
Noboru Akino ◽  
Tetsuo Aoyagi ◽  
Noboru Ebisawa ◽  
Yukio Fujiwara ◽  
...  
Keyword(s):  
High Power ◽  
Recent Progress ◽  
Ion Beam ◽  
Plasma Heating ◽  
Negative Ion ◽  
Fusion Plasma

High power ion sources for fusion plasma heating

1981 ◽  
Author(s):  
D. LYNCH ◽  
J. HYMAN ◽  
H. KING ◽  
W. WILLIAMSON
Keyword(s):  
High Power ◽  
Plasma Heating ◽  
Ion Sources ◽  
Fusion Plasma

scholarly journals Extraction of Negative Hydrogen Ions from Radio Frequency Driven Plasma Sources for Fusion Plasma Heating

2013 ◽  
Vol 8 (0) ◽  
pp. 2401035-2401035
Author(s):  
Motoi WADA ◽  
Tomoya ICHIKAWA ◽  
Toshiro KASUYA ◽  
Takahiro KENMOTSU ◽  
Masaki NISHIURA ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Plasma Heating ◽  
Hydrogen Ions ◽  
Fusion Plasma ◽  
Plasma Sources

High-power electrostatic free-electron maser as a future source for fusion plasma heating: Experiments in the short-pulse regime

1999 ◽  
Vol 59 (5) ◽  
pp. 6058-6063 ◽  
Author(s):  
W. H. Urbanus ◽  
W. A. Bongers ◽  
C. A. J. van der Geer ◽  
P. Manintveld ◽  
J. Plomp ◽  
...  
Keyword(s):  
High Power ◽  
Free Electron ◽  
Short Pulse ◽  
Plasma Heating ◽  
Pulse Regime ◽  
Fusion Plasma ◽  
Free Electron Maser ◽  
Electron Maser

scholarly journals Simulation of Polarising and Reflector Gratings for High Power mm Waves

2019 ◽  
Vol 203 ◽  
pp. 04010 ◽  
Author(s):  
Carsten Lechte ◽  
Walter Kasparek ◽  
Burkhard Plaum ◽  
Fritz Leuterer ◽  
Martin Schubert ◽  
...  
Keyword(s):  
Optical Properties ◽  
High Power ◽  
Cyclotron Resonance ◽  
Electron Cyclotron Resonance ◽  
Plasma Heating ◽  
Electron Cyclotron Resonance Heating ◽  
Fusion Plasma ◽  
Ohmic Losses ◽  
Point Form ◽  
Mm Waves

High power mm waves for fusion plasma heating need to be elliptically polarised to ensure good absorption in the plasma. In some scenarios, electron cyclotron resonance heating (ECRH) at higher harmonics (X3 and O2) is used, but this has significant shine-through because of low single pass absorption. Grating reflectors at the inboard strike point form a holographic mirror that reflects the beam back into the plasma. This paper investigates the optical properties and ohmic losses of both the polariser and the reflectors with the 3D fullwave code IPF-FD3D. The reflection properties of a reflector for ASDEX Upgrade and the improved ohmic losses of a waveguide polariser were confirmed.

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