Radially Resolved Optical Emission Spectral Imaging Study of an Atmospheric Pressure µDBD Jet for Elucidating the Effect of Sample Surface Material on the Underlying Mechanisms

2021 ◽  
Author(s):  
Songyue Shi ◽  
Kevin Finch ◽  
Gerardo Gamez
Keyword(s):  
Atmospheric Pressure ◽  
Plasma Plume ◽  
Imaging Study ◽  
Optical Emission ◽  
Sample Surface ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Ionization Sources ◽  
Underlying Mechanisms ◽  
Barrier Discharges

Dielectric barrier discharges are receiving increasing attention as sampling/ionization sources for ambient mass spectrometry. Nevertheless, the underlying mechanisms are not completely understood, particularly when the plasma plume is exposed to...

Optical diagnostics in dielectric barrier discharges at atmospheric pressure

2010 ◽  
Vol 82 (6) ◽  
pp. 1201-1207 ◽  
Author(s):  
Giorgio Dilecce ◽  
Paolo F. Ambrico ◽  
Santolo De Benedictis
Keyword(s):  
Atmospheric Pressure ◽  
Optical Emission Spectroscopy ◽  
Barrier Discharge ◽  
Optical Emission ◽  
Diagnostic Techniques ◽  
Dielectric Barrier Discharges ◽  
Equilibrium System ◽  
Dielectric Barrier ◽  
Collision Processes ◽  
Barrier Discharges

Our recent work on optical emission spectroscopy (OES) and laser-induced fluorescence (LIF) applied to dielectric barrier discharge (DBD) at atmospheric pressure (ATP) is reported. The interplay of discharge kinetics and diagnostic techniques features is evidenced, with emphasis on collision processes that, with their variety of state-to-state characteristics and rate constants, determine the observation of a peculiar collision-dominated non-equilibrium system.

Analysis of parameters of coaxial dielectric barrier discharges in argon flow at atmospheric pressure

2021 ◽  
Vol 129 (15) ◽  
pp. 153305
Author(s):  
Hui Li ◽  
Chengxun Yuan ◽  
Anatoly Kudryavtsev ◽  
Aleksandr Astafiev ◽  
Evgeny Bogdanov ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
Dielectric Barrier Discharges ◽  
Dielectric Barrier ◽  
Argon Flow ◽  
Barrier Discharges
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