Chollet Alexis

Monday 7
B. Corona, Barrier and Surface Discharges
Chair: G.J. Pietsch - Each talk is 10'+2' duration
› 10:45 - 10:55 (10min)
› Blaise
A diffuse nanosecond discharge for generation of reactive species in atmospheric air
Alexis Chollet  1, 2@  , Pascal Jeanney  1@  , Pierre Tardiveau  1@  , Stephane Pasquiers  1@  
1 : Laboratoire de physique des gaz et des plasmas  (LPGP)  -  Website
CNRS : UMR8578, Université Paris XI - Paris Sud
bat 210 (rue Becquerel) - Université Paris-Sud - 15 rue G. Clemenceau F91405 Orsay Cedex -  France
2 : Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse  (CSNSM)  -  Website
CNRS : UMR8609, IN2P3, Université Paris XI - Paris Sud
batiments 104 et 108 - 91405 Orsay Campus -  France

A Non-Thermal Plasma (NTP) is created by a diffuse discharge generated under a nanosecond range overvoltage. The influence of the anode composition on the pattern of the discharge is studied and time-resolved image of the discharge developed under these conditions are presented. The focus is made on two diffrent anode materials (copper and tungsten) leading to two distinct structures of the discharge: a well-defined and well-structured filamentary discharge and a filamentary-diffuse discharge with a glow around the anode extending until half-radius of the gap.


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