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首页> 外文期刊>Plasma physics and controlled fusion >On cyclotron emission from toroidal plasmas near the ECR heating frequency
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On cyclotron emission from toroidal plasmas near the ECR heating frequency

机译：关于在ECR加热频率附近的环形等离子体的回旋加速器发射

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摘要

High power electron cyclotron plasma heating in toroidal traps results in the generation of non-Maxwellian electron distribution functions. Electron cyclotron emission (ECE) spectra originating from such distributions in a close vicinity of the heating frequency are investigated analytically based on a simplified kinetic approach. An increase of the ECE level due to the quasi-linear degradation of re-absorption near the heating frequency is shown to be rather sensitive to the non-thermal distortions in the bulk electron distribution function. This effect is of peculiar interest for the diagnostics of quasi-linear effects in the case of low-field-side launch of the heating rf beam when absorbed electron cyclotron resonance (ECR) power is mainly deposited to the low-energetic electron fraction. [References: 19]
机译：环形阱中的高功率电子回旋加速器等离子体加热导致生成非麦克斯韦电子分布函数。基于简化的动力学方法，对源自加热频率附近的这种分布的电子回旋辐射（ECE）光谱进行了分析研究。由于在加热频率附近再吸收的准线性退化而导致的ECE水平的增加对体电子分布函数中的非热变形相当敏感。当吸收的电子回旋共振（ECR）能量主要沉积在低能电子部分时，在加热rf光束的低场侧发射的情况下，此效应对于诊断准线性效应特别有用。 [参考：19]

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