Spectroscopic study of hydrogen Balmer lines in a microwave-induced discharge

Journal Article · Wed Dec 31 23:00:00 EST 2008 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3046587· OSTI ID:21185944

Jovicevic, S; Sakan, N; Ivkovic, M ^[1]; Konjevic, N ^[1]

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1. Institute of Physics, P.O. Box 68, 11081 Belgrade (Serbia)

We present the results of a spectroscopic study of hydrogen Balmer line shapes and intensities in a microwave-induced discharge generated in an Evenson resonant cavity at 2.45 GHz in pure hydrogen and hydrogen-argon and hydrogen-helium gas mixtures. The Balmer line shapes do not show signs of excessive Doppler broadening. The discharge parameters-Doppler temperature (980 K), electron excitation temperature (1460-1790 K), and electron density of about 8x10{sup 11} cm{sup -3}--point to a typical microwave-induced discharge.

• OSTI ID: 21185944
• Journal Information: Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 1 Vol. 105; ISSN JAPIAU; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ARGON
BALMER LINES
DOPPLER BROADENING
ELECTRON DENSITY
ELECTRON TEMPERATURE
EXCITATION
GHZ RANGE 01-100
HELIUM
HIGH-FREQUENCY DISCHARGES
HYDROGEN
MICROWAVE RADIATION
MIXTURES
PLASMA DENSITY
TEMPERATURE RANGE 0400-1000 K
TEMPERATURE RANGE 1000-4000 K