Spatially and temporally resolved evaluation for local thermodynamic equilibrium of laser-induced plasma diagnosed by optical emission spectroscopy

2021 ◽  
Author(s):  
Zelin Liu ◽  
Guomin Zhao ◽  
Chuan Guo ◽  
Lei Chen ◽  
Minsun Chen ◽  
...  
Keyword(s):  
Distribution Function ◽  
Energy Distribution ◽  
Thermodynamic Equilibrium ◽  
Analytical Method ◽  
Electron Energy Distribution Function ◽  
Emission Spectroscopy ◽  
Optical Emission Spectroscopy ◽  
Local Thermodynamic Equilibrium ◽  
Optical Emission ◽  
Laser Induced Plasma

An analytical method to validate local thermodynamic equilibrium (LTE) in laser-induced plasmas is reported in this article. A more universal and general than Maxwellian electron energy distribution function (EEDF) is...

Optimization of distances between the target surface and focal point on spatially confined laser-induced breakdown spectroscopy with a cylindrical cavity

2017 ◽  
Vol 32 (2) ◽  
pp. 367-372 ◽  
Author(s):  
Jin Guo ◽  
Junfeng Shao ◽  
Tingfeng Wang ◽  
Changbin Zheng ◽  
Anmin Chen ◽  
...  
Keyword(s):  
Emission Spectroscopy ◽  
Optical Emission Spectroscopy ◽  
Focal Point ◽  
Optical Emission ◽  
Target Surface ◽  
Laser Induced Breakdown Spectroscopy ◽  
Spatial Confinement ◽  
Laser Induced Plasma ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

The spatial confinement effect in laser-induced plasma with different distances between the target surface and focal point is investigated by optical emission spectroscopy.

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