An Atmospheric Large-Scale Cold Plasma Jet

LV Xiaogui (吕晓桂); REN Chunsheng (任春生); MA Tengcai (马腾才); Feng Yan (冯岩); WANG Dezhen (王德真)

doi:10.1088/1009-0630/14/9/05

Plasma Science and Technology > 2012 > 14(9): 799-801. > DOI: 10.1088/1009-0630/14/9/05

LV Xiaogui (吕晓桂), REN Chunsheng (任春生), MA Tengcai (马腾才), Feng Yan (冯岩), WANG Dezhen (王德真). An Atmospheric Large-Scale Cold Plasma Jet[J]. Plasma Science and Technology, 2012, 14(9): 799-801. DOI: 10.1088/1009-0630/14/9/05

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An Atmospheric Large-Scale Cold Plasma Jet

1 College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China 2 School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China

Funds: supported by the National Nature Science Foundation of China under the Grant No. 10775027 and 50807011.

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Received Date: May 08, 2011

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Abstract

Abstract

This letter reports on the generation and characteristics of a large-scale dielectric barrier discharge plasma jet at atmospheric pressure. With appropriate parameters, diffuse plasma with a 50×5 mm2 cross-sectional area is obtained. The characteristics of the discharges are diagnosed by using electrical and optical methods. In addition to being generated in helium, plasma is also generated in a mixed gas of helium and oxygen. The oxygen atomic radiant intensity (3p5P→3s5S, 3p3P→3s3S transition) is not proportional to the proportion of oxygen in the gas mixture, as shown by the experimental results.
- dielectric barrier discharge plasma jet,
- atmospheric air,
- large-scale

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