NEW MICROWAVE PLASMA SOURCE IN WATER A.M. Barkhudarov, I.A. Kossyi, M.A. Misakyan Prokhorov General...
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Transcript of NEW MICROWAVE PLASMA SOURCE IN WATER A.M. Barkhudarov, I.A. Kossyi, M.A. Misakyan Prokhorov General...
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NEW MICROWAVE NEW MICROWAVE PLASMA SOURCE IN PLASMA SOURCE IN WATERWATER
A.M. Barkhudarov, I.A. Kossyi, M.A. Misakyan
Prokhorov General Physics Institute of RAS, Moscow, Russia
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““Resonance” type plasma Resonance” type plasma sourcesource
Fig.1. Schematic of coaxial microwave plasmatron
1-magnetron; 2-outer electrode; 3-quartz tube; 4-gas-discharge near-the-surface plasma layer; 5-inner electrode – rod; 6-wall of reactor chamber
N.K.Berezhetskaya, V.A.Kop’ev, I.A.Kossyi M.A.Misakyan, I.M.Taktakishvili,S.Temchin,and Y.D.Lee Eur.Phys.J.Appl.Phys. 42,327–337(2008
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1 – magnetron2 – magnetic loop3 – coaxial outer electrode4 – nozzle;5 – plasma torch6 – inner electrode 7 – working gas8 – rectangular cavity9 – copper rods (basket)
Microwave torch scheme
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Influence of the outer electrode
length on the form and type
of the microwave
torch
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MW Plasma sources for MW Plasma sources for several applications several applications
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Scheme of the “Self-Clear up” Scheme of the “Self-Clear up” phenomenon for phenomenon for
V.Yu. Knyazev, I.A.Kossyi, N.i.Malikh, E.S.Yampolskii ZTP ( Russian) 2003, V.73, N.11
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PLASMA PLASMA SOURCE SOURCE DIAGRAMDIAGRAM
1-Organic glass cylindrical tube, 2-end flanges, 3-magnetron (N=850 W, f=2.45 GHz), 4-inner electrode, 5-outer electrode, 6-quartz tube around the inner electrode, 7-liquid (water),8-gas inlet/outlet, 9-gas babbles, 10-plasma jet, 11- water inlet/outlet.
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MW Plasma source working MW Plasma source working in water in water
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Plasma source emission Plasma source emission spectrum spectrum
300 350 400 450 500 550 600 650 700 750 800 850
0
20000
40000
60000
Inte
nsity
(a.
u)
Wavelength (nm)
Ar
77
2,3
nm
A
r 7
63
,5 n
m
Na
58
8,9
nm
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Plasma source emission Plasma source emission spectrumspectrum
400 600 8000
20000
40000
60000
Inte
nsity (
a.u
.)
Wavelength (nm)
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Thank you for your Thank you for your attention.attention.