Numerical simulations of a co-harmonic gyrotron

Numerical simulations of a co-harmonic gyrotron
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共谐波回旋管的数值模拟

DOI:
10.1088/0022-3727/45/6/065105
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Constable D
Constable D
中科院分区:
--
文献类型:
--
作者:
Constable D

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一个以电子回旋加速器频率的二次和四次谐波同时工作的共谐波回旋加速器,已经成功地用细胞内粒子代码Magic 3D进行了建模。结果表明,TE 2、2和TE 4、3波导模式的激发频率分别为37.5 GHz和75 GHz,与实验测量结果一致。总预测输出功率为~ 3kw。截止输出锥度的延长已经证明了对二次谐波信号的改进约束,促进了四次谐波信号的更纯净输出。在这种增强的结构中,第二谐波的预测输出功率为~ 250 W,而第四谐波的预测输出功率为~ 15 W。该系统显示了选择性四次谐波产生的潜力,启动电流比直接激励所需的电流低两个数量级。
A co-harmonic gyrotron, operating simultaneously at the second and fourth harmonics of the electron cyclotron frequency, has been successfully modelled with the particle-in-cell code, Magic 3D. Results show excitation of the TE 2, 2 and TE 4, 3 waveguide modes, at frequencies of 37.5 GHz and 75 GHz, respectively, consistent with experimental measurements. The total predicted output power was∼ 3 kW. Lengthening of the cut-off output taper has demonstrated an improved confinement of the second harmonic signal, facilitating purer output of the fourth harmonic signal. In this enhanced configuration, the predicted output power of the second harmonic was∼ 250 W, while the fourth harmonic was∼ 15 W. The system demonstrates the potential for selective fourth harmonic generation, for starting currents which are two orders of magnitude lower than would be required for direct excitation.
DOI: 10.1109/tps.2004.827614
发表时间: 2004-08
影响因子: 1.5
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发表时间: 2010-09
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来自时空调制旋转电子束的相干辐射。
DOI: --
发表时间: 1991
期刊: Physical Review A. Atomic, Molecular, and Optical Physics
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DOI: --
发表时间: 1995
期刊:
影响因子: --
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G. Nusinovich;O. Dumbrajs
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DOI: 10.1201/9781482272369
发表时间: 1988-06
期刊: Proc. IEEE
影响因子: --
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