时间分辨率激光诱导光谱学使用CW二极管激光用于诊断近交流偏差电极的离子速度分布
Ryosuke Takahashi1, Seiya Kito1, Koji Eriguchi1
1Department of Aeronautics and Astronautics, Kyoto University, Kyoto 615-8540, Japan.
The Review of scientific instruments
|May 15, 2024
概括
本研究介绍了一种时间解析的激光诱导光光谱系统,用于测量在交流电 (AC) 电压控制下离子速度分布. 开发的方法描述了在等离子过程中受量身定制的交流波形影响的离子动态.
科学领域:
- 等离子体物理学的物理学
- 材料科学 材料科学 材料科学
背景情况:
- 控制等离子膜中的离子速度对于材料加工至关重要.
- 定制的交流电 (AC) 波形提供了与正弦电压相比,对离子行为的先进控制.
研究的目的:
- 开发和演示一个时间分辨率激光诱导光光谱 (LIF) 系统,用于调查离子速度分布的时间变化.
- 描述各种交流电压波形下的离子速度的动态行为.
主要方法:
- 开发使用连续波二极管激光器的时间解析LIF系统.
- 在交流电压周期期间测量时间连续和光谱离散的LIF光谱.
- 通过分析不同激发波长的LIF信号强度来描述离子速度分布.
主要成果:
- 开发的LIF系统成功地捕获了离子速度分布的时间变化.
- 对于正弦形,三角形和矩形偏差波形,观察到不同的离子速度动态.
- 该系统展示了研究由量身定制的交流电压控制的离子速度分布的能力.
结论:
- 提出的时间解析的LIF测量方案对于研究动态离子速度分布是有效的.
- 这项技术使得在等离子环境中,在量身定制的交流电压控制下,可以对离子行为进行详细分析.
- 这些发现有助于通过精确的离子速度操纵优化等离子物质过程.
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