在DIII-D同时进行B场和温度/旋转分析时,测量Stark-split光束和碳电荷交换排放
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Updated: Jun 13, 2025

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Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
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R Albosta1, B Geiger1, G McKee1
1Department of Engineering Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
The Review of scientific instruments
|September 11, 2024
概括
在DIII-D托卡马克有两个新的光谱仪测量磁场和等离子体条件. 这使得能够对等离子体动力学进行高分辨率研究,包括边缘局部化模式期间的圆形旋转.
科学领域:
- 等离子体物理学的物理学
- 融合能源研究 融合能源研究
- 频谱学是一种光谱学.
背景情况:
- 托卡马克聚变装置需要精确测量等离子体特性.
- 运动斯塔克效应 (MSE) 和电荷交换重组 (CER) 光谱是关键的诊断.
- 现有的方法在光谱和时间分辨率方面遇到了局限性.
研究的目的:
- 部署新的Czerny-Turner光谱仪,以进行增强的MSE和CER测量.
- 实现高光谱 (0.13 nm) 和时间 (1-5 kHz) 的分辨率.
- 提高确定局部磁场,离子温度和 toroidal 旋转的精度.
主要方法:
- 使用了两个新设计的单通道Czerny-Turner光谱仪.
- 使用高通量光学 (f/2.8) 和快速EMCCD探测器.
- 开发了一种新的特定道的可变镜头掩盖,以减少MSE测量中的多普勒扩展.
主要成果:
- 在高时间分辨率下证明了高的信号噪声比.
- 成功测量了用于确定磁场向量的MSE发射.
- 获得的CER排放数据显示了离子温度和 toroidal 旋转.
- 在边缘局部模式 (ELM) 中观察到明显的 toroidal 旋转演变.
结论:
- 新的光谱仪为DIII-D托卡马克研究提供了高准确度的诊断数据.
- 开发的透镜掩盖技术有效地减轻了多普勒扩展.
- 最初的结果显示了对血动态的重要洞察,特别是在ELM期间.
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