NDLI: Radiofrequency sustainment of a laser-produced plasma

Content Provider	IEEE Xplore Digital Library
Author	Kelly, K.L. Scharer, J.E. Paller, E. Gui, H. Cao, R.
Copyright Year	2000
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA (Kelly, K.L.)
Abstract	Summary form only given, as follows. A plasma is generated by photoionization of the organic seed molecule tetrakis(dimethylamino)ethylene (TMAE) and is sustained by RF coupling through the use of an antenna. Collisional ohmic heating is studied as various gasses are introduced and pressures varied over several orders of magnitude up to atmospheric pressure. The physics involved in waves and fields generated by the antenna is highly dependent on the working gas and pressure. This has a substantial effect on the radiation resistance of a multiple turn helical coil which is utilized to maintain the discharge. A strong magnetic field is introduced to determine if field penetration is affected. Plasma densities of the order 10/sup 13/ cm/sup -3/ are obtained in a 2.5 cm radius tube. The computer codes ANTENA2 and MAXEB are used to help model the results. TMAE gas is being investigated as a possible seed gas for initiating atmospheric pressure air plasmas because the plasma can be initiated with a high-density initial condition which has been shown to enhance power coupling to the bulk plasma.
File Size	83354
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.855059
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Atmospheric-pressure plasmas Gas lasers Plasma waves Ionization Heating Atmospheric waves Physics Coils Magnetic fields
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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