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(3)
Conversion Efficiency
Finite Difference Time Domain
Plasma Volume
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Fullwave calculation of the O X B mode conversion of Gaussian beams in a cylindrical plasma
Fullwave calculation of the O X B mode conversion of Gaussian beams in a cylindrical plasma,10.1088/07413335/50/8/085018,Plasma Physics and Controll
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Fullwave calculation of the O X B mode conversion of Gaussian beams in a cylindrical plasma
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Citations: 3
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A. Köhn
,
Á. Cappa
,
E. Holzhauer
,
F. Castejón
,
Á. Fernández
,
U. Stroth
A finitedifference timedomain code is used to obtain the fullwave solution of the OX mode conversion process for typical parameters of the TJII stellarator in a cylindrical geometry. This reduction of the complicated stellarator geometry to a cylindrical geometry is chosen since the conversion process occurs only over a limited radial plasma volume. In the calculations, Gaussian antenna beams are studied with the option of different beam waists in the poloidal and toroidal direction. Optimum
conversion efficiency
is found if the wavefront of the incident antenna beam is matched to the local curvature of the OX conversion layer. Finally, the code is used to calculate the complete OXB conversion process into a Bernstein wave.
Journal:
Plasma Physics and Controlled Fusion  PLASMA PHYS CONTROL FUSION
, vol. 50, no. 8, 2008
DOI:
10.1088/07413335/50/8/085018
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Citations
(3)
Generation and heating of toroidally confined overdense plasmas with 2.45 GHz microwaves
A. Köhn
,
G. Birkenmeier
,
E. Holzhauer
,
M. Ramisch
,
U. Stroth
Journal:
Plasma Physics and Controlled Fusion  PLASMA PHYS CONTROL FUSION
, vol. 52, no. 3, 2010
Comparison of different models for EBCD calculation in the TJII Stellarator
J. M. GarcíaRegaña
,
F. Castejón
,
A. Cappa
,
N. B. Marushchenko
,
M. Tereshchenko
Journal:
Plasma Physics and Controlled Fusion  PLASMA PHYS CONTROL FUSION
, vol. 52, no. 6, 2010
Modeimpedance technique for modeling of electromagnetic wave propagation in plasmas
A G Shalashov
,
E D Gospodchikov
Journal:
Plasma Physics and Controlled Fusion  PLASMA PHYS CONTROL FUSION
, vol. 52, no. 2, 2010