Population Inversion in a Magnetized Expanding Thermal Plasma
A weakly magnetized expanding hydrogen plasma was investigated by means of optical emission spectroscopy. In the tail of the expansion, highly excited H atoms were found, which were responsible for the color change in the jet from red to blue. Several mechanisms that can produce higher excitation st...
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| Veröffentlicht in: | IEEE transactions on plasma science 2008-08, Vol.36 (4), p.1028-1029 |
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| container_title | IEEE transactions on plasma science |
| container_volume | 36 |
| creator | Van den Dungen, J. Gabriel, O. Elhamali, H. Schram, D.C. Engeln, R. |
| description | A weakly magnetized expanding hydrogen plasma was investigated by means of optical emission spectroscopy. In the tail of the expansion, highly excited H atoms were found, which were responsible for the color change in the jet from red to blue. Several mechanisms that can produce higher excitation states of the H atom were investigated. After determining the production rates of each excited level, the dominant production route of highly excited H atoms was determined to be a mutual H 2 + -H - recombination. |
| doi_str_mv | 10.1109/TPS.2008.927093 |
| format | Article |
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In the tail of the expansion, highly excited H atoms were found, which were responsible for the color change in the jet from red to blue. Several mechanisms that can produce higher excitation states of the H atom were investigated. After determining the production rates of each excited level, the dominant production route of highly excited H atoms was determined to be a mutual H 2 + -H - recombination.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/TPS.2008.927093</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Atom optics ; Atomic hydrogen production ; Atomic measurements ; Color ; emission spectroscopy ; Excitation ; Hydrogen ; Hydrogen plasma ; hydrogen plasma jet ; Magnetic confinement ; Magnetism ; magnetized plasma jet ; Magnetosphere ; Optical emission spectroscopy ; Optics ; Plasma ; Plasma confinement ; Population inversion ; Production ; Spectroscopy ; Spectrum analysis ; Stimulated emission ; Thermal expansion ; Thermal plasmas</subject><ispartof>IEEE transactions on plasma science, 2008-08, Vol.36 (4), p.1028-1029</ispartof><rights>Copyright Institute of Electrical and Electronics Engineers, Inc. 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In the tail of the expansion, highly excited H atoms were found, which were responsible for the color change in the jet from red to blue. Several mechanisms that can produce higher excitation states of the H atom were investigated. After determining the production rates of each excited level, the dominant production route of highly excited H atoms was determined to be a mutual H 2 + -H - recombination.</description><subject>Atom optics</subject><subject>Atomic hydrogen production</subject><subject>Atomic measurements</subject><subject>Color</subject><subject>emission spectroscopy</subject><subject>Excitation</subject><subject>Hydrogen</subject><subject>Hydrogen plasma</subject><subject>hydrogen plasma jet</subject><subject>Magnetic confinement</subject><subject>Magnetism</subject><subject>magnetized plasma jet</subject><subject>Magnetosphere</subject><subject>Optical emission spectroscopy</subject><subject>Optics</subject><subject>Plasma</subject><subject>Plasma confinement</subject><subject>Population inversion</subject><subject>Production</subject><subject>Spectroscopy</subject><subject>Spectrum analysis</subject><subject>Stimulated emission</subject><subject>Thermal expansion</subject><subject>Thermal plasmas</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkMFLwzAUh4MoOKdnD16KF0_dkrymaQ4eZEwdTBw4zyFpk9nRpjNpRf3rbal48PR-PL7f4_EhdEnwjBAs5tvNy4xinM0E5VjAEZoQASIWwNkxmuB-FUNG4BSdhbDHmCQM0wm63TSHrlJt2bho5T6MD0MqXaSiJ7Vzpi2_TREtPw_KFaXbRds342tVRZtKhVqdoxOrqmAufucUvd4vt4vHeP38sFrcreMc0rSNdZLZ1GqdFERTKDBPNNWYEGCcqTwVXIO2YCwtgNtcQZqBBpry1GKqgWGYopvx7sE3750JrazLkJuqUs40XZAZZzihImE9ef2P3Dedd_1zkghGOLB0gOYjlPsmBG-sPPiyVv5LEiwHmbKXKQeZcpTZN67GRmmM-aMTJjLRO_0B83Nuzw</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Van den Dungen, J.</creator><creator>Gabriel, O.</creator><creator>Elhamali, H.</creator><creator>Schram, D.C.</creator><creator>Engeln, R.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| identifier | ISSN: 0093-3813 |
| ispartof | IEEE transactions on plasma science, 2008-08, Vol.36 (4), p.1028-1029 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Atom optics Atomic hydrogen production Atomic measurements Color emission spectroscopy Excitation Hydrogen Hydrogen plasma hydrogen plasma jet Magnetic confinement Magnetism magnetized plasma jet Magnetosphere Optical emission spectroscopy Optics Plasma Plasma confinement Population inversion Production Spectroscopy Spectrum analysis Stimulated emission Thermal expansion Thermal plasmas |
| title | Population Inversion in a Magnetized Expanding Thermal Plasma |
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