Helicon experiments and simulations in nonuniform magnetic field configurations

被引:62
作者
Guo, XM [1 ]
Scharer, J [1 ]
Mouzouris, Y [1 ]
Louis, L [1 ]
机构
[1] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA
关键词
D O I
10.1063/1.873580
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Wave, antenna impedance, plasma density, and temperature anisotropy measurements are carried out for a helicon plasma source in nonuniform and uniform static magnetic fields. Strong axial density gradients associated with the nonuniform magnetic fields are observed to affect wave fields, absorption, and source efficiency. The wave field and antenna input impedance measurements are compared with a new simulation code which also calculates Poynting power flow and wave absorption profiles. Wave amplitude measurements are shown to decay more rapidly and the phase velocity varies over a wide range for the nonuniform static magnetic field case. (C) 1999 American Institute of Physics. [S1070-664X(99)00608-4].
引用
收藏
页码:3400 / 3407
页数:8
相关论文
共 27 条
[1]   MEASUREMENT OF ANISOTROPY OF ELECTRON-DISTRIBUTION FUNCTION OF A MAGNETIZED PLASMA [J].
AIKAWA, H .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1976, 40 (06) :1741-1749
[2]   EXPERIMENT ON THE ANISOTROPY OF ELECTRON-TEMPERATURE IN ECR PLASMA [J].
AMEMIYA, H ;
OYAMA, H ;
SAKAMOTO, Y .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1987, 56 (07) :2401-2412
[3]  
Berry, COMMUNICATION
[4]   Collisionless energy coupling to high-velocity electrons in the near field of an antenna: neutral gas ionization by helicon waves [J].
Borg, GG ;
Bright, J ;
Kamenski, IV .
PLASMA PHYSICS AND CONTROLLED FUSION, 1998, 40 (06) :987-1000
[5]   Helicons - The early years [J].
Boswell, RW ;
Chen, FF .
IEEE TRANSACTIONS ON PLASMA SCIENCE, 1997, 25 (06) :1229-1244
[6]  
BOSWELL RW, 1984, PLASMA PHYS CONTR F, V26, P1147, DOI 10.1088/0741-3335/26/10/001
[7]   EXPERIMENTS ON HELICON PLASMA SOURCES [J].
CHEN, FF .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1992, 10 (04) :1389-1401
[8]   Helicons - The past decade [J].
Chen, FF ;
Boswell, RW .
IEEE TRANSACTIONS ON PLASMA SCIENCE, 1997, 25 (06) :1245-1257
[9]   PLASMA IONIZATION BY HELICON WAVES [J].
CHEN, FF .
PLASMA PHYSICS AND CONTROLLED FUSION, 1991, 33 (04) :339-364
[10]   Multiple electron beams generated by a helicon plasma discharge [J].
Chen, RTS ;
Hershkowitz, N .
PHYSICAL REVIEW LETTERS, 1998, 80 (21) :4677-4680