Spatial diagnostics of 532-nm laser-induced aluminum plasma

被引：7
|
作者：
Luo, W. F. [1 ]
Zhao, X. X. [2 ]
Sun, Q. B. [1 ]
Gao, C. X. [1 ]
Tang, J. [1 ]
Zhao, W. [1 ]
机构：
[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[2] Xian Univ Arts & Sci, Dept Phys, Xian 710065, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 637卷
关键词：
LIBS; Plasma; Emission spectroscopy; INDUCED BREAKDOWN SPECTROSCOPY; PARAMETERS; DEPOSITION;
D O I：
10.1016/j.nima.2010.02.046
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Spatial characteristics of the plasma generated by 532-nm Nd:YAG laser irradiation of aluminum alloy in air were studied. The electron density inferred by measuring the Stark broadened line profile of Al II at 281.62 nm decreases with increasing distance from the target surface. The electron temperature was determined by using the Boltzmann plot method. Due to thermal conduction towards the solid target and radiative cooling of the plasma, as well as conversion of thermal energy to kinetic energy, the electron temperature decreases both at the plasma edge and close to the target surface. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：S158 / S160
页数：3
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