A 150-600 GHZ STEP-TUNABLE GYROTRON

被引:75
作者
HONG, KD [1 ]
BRAND, GF [1 ]
IDEHARA, T [1 ]
机构
[1] FUKUI UNIV,FAC ENGN,FUKUI 910,JAPAN
关键词
D O I
10.1063/1.354265
中图分类号
O59 [应用物理学];
学科分类号
摘要
An account of the operation of a step-tunable, low-power, continuous-wave gyrotron, GYROTRON V, at the fundamental and second harmonic of the electron cyclotron frequency is presented. The design of this gyrotron was especially optimized for the second harmonic. The gyrotron operating frequency at the fundamental can be tuned from 150 to 300 GHz and extended by second-harmonic operation to above 600 GHz. Under normal operating conditions where the accelerating voltage is 10 kV and the beam current is 50 mA, power levels in excess of 20 W are obtained at the fundamental and hundreds of milliwatts at the second harmonic. The paper includes observations of single mode operation at the second harmonic and mode competition between second harmonic and fundamental.
引用
收藏
页码:5250 / 5258
页数:9
相关论文
共 14 条
[1]   EXPERIMENTAL MEASUREMENTS OF COMPETITION BETWEEN FUNDAMENTAL AND SECOND-HARMONIC EMISSION IN A QUASI-OPTICAL GYROTRON [J].
ALBERTI, S ;
PEDROZZI, M ;
TRAN, MQ ;
HOGGE, JP ;
TRAN, TM ;
MUGGLI, P ;
JODICKE, B ;
MATHEWS, HG .
PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1990, 2 (11) :2544-2546
[2]  
BOWDEN MH, 1988, 13TH INT C INFR MILL, P150
[3]  
Brand G. F., 1985, INFRARED MILLIMETER, V14, P371
[4]  
BRAND GF, 1982, INT J INFRARED MILLI, V3, P725, DOI 10.1007/BF01009730
[5]   MODE COMPETITION IN A HIGH HARMONIC GYROTRON [J].
BRAND, GF ;
IDEHARA, T ;
TATSUKAWA, T ;
OGAWA, I .
INTERNATIONAL JOURNAL OF ELECTRONICS, 1992, 72 (5-6) :745-758
[6]   QUASI-OPTICAL ANTENNAS FOR PLASMA SCATTERING [J].
BRAND, GF ;
FEKETE, PW ;
IDEHARA, T ;
MOORE, KJ .
INTERNATIONAL JOURNAL OF ELECTRONICS, 1990, 68 (06) :1063-1073
[7]   SELF-ADJUSTING ANODE POWER-SUPPLY FOR A GYROTRON [J].
BRAND, GF ;
FEKETE, PW ;
HONG, K ;
IDEHARA, T ;
TATSUKAWA, T .
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES, 1991, 12 (02) :89-99
[8]  
FELCH K, 1990, 15TH INT C INFR MILL, P315
[9]  
GOLDENBERG AL, 1971, ELEKTRON TEKH I, V9, P81
[10]  
HERMANNSFELDT WB, 1988, SLAC331 STANF LIN AC