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Chinese Physics, 2005, Vol. 14(11): 2251-2255    DOI: 10.1088/1009-1963/14/11/019
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

Theoretical analysis of ion cyclotron range of frequency antenna array for HT-7U

Zhang Xin-Jun (张新军), Qin Cheng-Ming (秦成明), Zhao Yan-Ping (赵燕平)
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China
Abstract  This paper considers the coupling analysis of phased antenna array designed to excite fast wave in the ion cyclotron range of frequency. The coupling of the antenna is calculated in slab geometry. The coupling code based on the variational principle gives the self-consistent current flowing in the antenna, this method has been extended so that it can be applied to a phased antenna array. As an example, this paper analyses the coupling prosperities of a 2×2 phased antenna array. It gives the optimum geometry of antenna array. The fields excited at plasma surface are found to more or less correspond to the antenna current phasing.
Keywords:  ion cyclotron range of frequency      antenna array      variational method  
Received:  25 January 2005      Revised:  07 March 2005      Accepted manuscript online: 
PACS:  52.40.Fd (Plasma interactions with antennas; plasma-filled waveguides)  
  52.55.Fa (Tokamaks, spherical tokamaks)  
  52.40.Hf (Plasma-material interactions; boundary layer effects)  

Cite this article: 

Zhang Xin-Jun (张新军), Qin Cheng-Ming (秦成明), Zhao Yan-Ping (赵燕平) Theoretical analysis of ion cyclotron range of frequency antenna array for HT-7U 2005 Chinese Physics 14 2251

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