Laser-based three-dimensional dust trajectory diagnostic

被引：0

作者：

Chai, Kil Byoung ^{[1
]}

Choe, Wonho ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea

来源：

JOURNAL OF INSTRUMENTATION | 2012年 / 7卷

基金：

新加坡国家研究基金会;

关键词：

Plasma diagnostics - interferometry; spectroscopy and imaging; Plasma diagnostics - probes; Plasma generation (laser-produced; RF; x ray-produced); PLASMA;

D O I：

10.1088/1748-0221/7/03/C03045

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Time-resolved, in-situ and non-intrusive dust diagnostics is required in many plasma applications, not only in processing plasmas but also in tokamak plasmas, and laser-based diagnostics is regarded as one of the most promising solutions for this purpose. Also, the three-dimensional dust diagnostics has been spotlighted because it can provide higher dimensional information related to the dust motion than one-or two-dimensional diagnostics. A high-sensitivity three-dimensional laser-based diagnostic system is developed in this work to determine the trajectory of dust by adopting the multi-laser-sheet method with two charge-coupled-device cameras. Using this diagnostic system, the trajectories of dust immersed in plasma were investigated in three dimensions under various gas pressures and the damping effect of the neutral gas was observed.

引用

页数：10

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