Gas-temperature-dependent generation of cryoplasma jet under atmospheric pressure

Plasma with a gas temperature below room temperature is not yet fully understood although it is expected to be an attractive tool for applications to material processing. In the present work, gas-temperature-dependent generation of a cryoplasma jet was studied. So far, we have generated a helium cry...

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Veröffentlicht in:	Applied physics letters 2008-09, Vol.93 (10), p.101503-101503-3
Hauptverfasser:	Noma, Yuri, Choi, Jai Hyuk, Tomai, Takaaki, Terashima, Kazuo
Format:	Artikel
Sprache:	eng
Schlagworte:	ATMOSPHERIC PRESSURE CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EMISSION SPECTROSCOPY HELIUM JETS PLASMA PLASMA JETS PLASMA PRODUCTION TEMPERATURE DEPENDENCE TEMPERATURE RANGE 0000-0013 K TEMPERATURE RANGE 0013-0065 K TEMPERATURE RANGE 0065-0273 K TEMPERATURE RANGE 0273-0400 K
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Zusammenfassung:	Plasma with a gas temperature below room temperature is not yet fully understood although it is expected to be an attractive tool for applications to material processing. In the present work, gas-temperature-dependent generation of a cryoplasma jet was studied. So far, we have generated a helium cryoplasma jet ( 296 - 5 K ) under atmospheric pressure. At gas temperatures below 20 K , the helium excimer, He 2 , was observed clearly from by optical emission spectroscopy.
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.2980436