Enhancement of the rate of charge-exchange collisions in a He-Cd discharge

Spontaneous emission from the 5337-Å and 5378-Å transitions in Cd(II) was studied in a dc discharge whose positive column was exposed to microwave power. The intensities obtained were at least one and one-half times higher than those expected from input increasing with microwave power superposed. Th...

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Veröffentlicht in:	J. Appl. Phys.; (United States) 1977-08, Vol.48 (8), p.3603-3604
Hauptverfasser:	Chinen, Seitetsu, Hattori, Shuzo
Format:	Artikel
Sprache:	eng
Schlagworte:	420300 - Engineering- Lasers- (-1989) 640304 - Atomic, Molecular & Chemical Physics- Collision Phenomena ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS CADMIUM CHARGE EXCHANGE COLLISIONS CRYOGENIC FLUIDS ELECTRIC DISCHARGES ELECTROMAGNETIC RADIATION ELECTRON TEMPERATURE ELEMENTS EMISSION SPECTRA ENERGY-LEVEL TRANSITIONS ENGINEERING EXCITATION FLUIDS GAS LASERS HELIUM HIGH-FREQUENCY DISCHARGES ION COLLISIONS ION-ATOM COLLISIONS LASERS METALS MICROWAVE RADIATION NONMETALS POSITIVE COLUMN RADIATIONS RARE GASES SPECTRA
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Beschreibung
Zusammenfassung:	Spontaneous emission from the 5337-Å and 5378-Å transitions in Cd(II) was studied in a dc discharge whose positive column was exposed to microwave power. The intensities obtained were at least one and one-half times higher than those expected from input increasing with microwave power superposed. This enhancement is explained on the assumption that the electron temperature also increases with the microwave power.
ISSN:	0021-8979 1089-7550
DOI:	10.1063/1.324162