Absolute atomic oxygen density profiles in the discharge core of a microscale atmospheric pressure plasma jet
Data(s) |
01/10/2008
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Resumo |
The micro atmospheric pressure plasma jet is an rf driven (13.56 MHz, ~20 W) capacitively coupled discharge producing a homogeneous plasma at ambient pressure when fed with a gas flow of helium (1.4 slm) containing small admixtures of oxygen (~0.5%). The design provides excellent optical access to the plasma core. Ground state atomic oxygen densities up to 3x1016 cm-3 are measured spatially resolved in the discharge core by absolutely calibrated two-photon absorption laser-induced fluorescence spectroscopy. The atomic oxygen density builds up over the first 8 mm of the discharge channel before saturating at a maximum level. The absolute value increases linearly with applied power. |
Identificador |
http://dx.doi.org/10.1063/1.2995983 http://www.scopus.com/inward/record.url?scp=53349099687&partnerID=8YFLogxK |
Idioma(s) |
eng |
Direitos |
info:eu-repo/semantics/restrictedAccess |
Fonte |
Knake , N , Niemi , K , Reuter , S , Schulz-von Der Gathen , V & Winter , J 2008 , ' Absolute atomic oxygen density profiles in the discharge core of a microscale atmospheric pressure plasma jet ' Applied Physics Letters , vol 93 , no. 13 , 131503 , pp. 131503-131503 . DOI: 10.1063/1.2995983 |
Palavras-Chave | #/dk/atira/pure/subjectarea/asjc/3100/3101 #Physics and Astronomy (miscellaneous) |
Tipo |
article |