纤维PROES:通过光纤进行相位分辨光学发射光谱,用于基于知识的等离子体工艺开发和监测
Florian Beckfeld1, Matthias Janssen1, Constantin Neuroth1
1Chair of Applied Electrodynamics and Plasma Technology, Ruhr University Bochum, Universitätsstr. 150, 44801 Bochum, Germany.
The Review of scientific instruments
|March 6, 2025
概括
一个新的Fiber PROES诊断工具为了解低温等离子体动态提供了一种成本效益高,速度更快的方法. 这一创新使半导体制造等工业应用中的精确工艺开发成为可能.
科学领域:
- 等离子体物理和化学
- 工业过程诊断 工业过程诊断
- 材料科学与工程 材料科学与工程
背景情况:
- 低温等离子体对于半导体制造和气体转换至关重要,但它们的复杂行为阻碍了基于知识的工艺开发.
- 目前的诊断方法,如相位解析光学发射光谱 (PROES),通常是昂贵的,缓慢的,需要大型的光学接入口,不适合商业反应堆.
- 需要使用非侵入性,快速且具有成本效益的诊断技术来提高等离子体过程的精度和可重复性.
研究的目的:
- 开发一种改进的,更易于使用的PROES技术,用于分析低温等离子体中的能量电子动态.
- 克服传统 PROES 的局限性,特别是依赖昂贵的 ICCD 摄像机和需要大型光学接入的需求.
- 为了验证与传统的PROES相比,新纤维PROES方法的性能.
主要方法:
- 开发光纤PROES,使用光纤与光子计数光倍增管相结合.
- 在几何对称的电容合射频等离子体中实现光纤PROES.
- 纤维PROES测量的比较分析与使用传统ICCD摄像机的PROES测量结果.
主要成果:
- 纤维PROES只需要一个小的光纤接入端口,降低设备成本和提高测量速度.
- 这种新方法的结果与传统的基于ICCD摄像头的PROES相似.
- 在电容合射频等离子体中成功应用验证了其实用性.
结论:
- 纤维PROES为血诊断提供了一个可行的,经济有效的,更快的替代传统PROES.
- 这种技术有助于在工业等离子体应用中基于知识的工艺开发和监控.
- 对光学接入的减少要求使Fiber PROES适用于商业等离子反应堆.
相关概念视频
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