Optimization of confocal laser induced fluorescence in a plasma

被引：4

作者：

VanDervort, R. ^{[1
]}

Elliott, D. ^{[1
]}

McCarren, D. ^{[1
]}

McKee, J. ^{[1
]}

Soderholm, M. ^{[1
]}

Sears, S. ^{[1
]}

Scime, E. ^{[1
]}

机构：

[1] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 11期

关键词：

TUNABLE DIODE-LASER; HELICON PLASMA; FIELD;

D O I：

10.1063/1.4886424

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Laser Induced Fluorescence (LIF) provides measurements of flow speed, temperature, and density of ions or neutrals in a plasma. Traditionally, a LIF measurement requires two ports on a plasma device; one for laser injection and one for emission collection. Proper alignment of LIF optics is time consuming and sensitive to mechanical vibration. We describe a confocal configuration for LIF that requires a single port and requires no alignment. The measurement location is scanned radially by physically moving the entire optical structure. Confocal LIF measurements are compared to traditional LIF measurements over the same radial range. (C) 2014 AIP Publishing LLC.

引用

页数：3

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