NDLI: Electric fields in a sheath near discontinuous surfaces

Content Provider	IEEE Xplore Digital Library
Author	Barnat, E.V. Hebner, G.A.
Copyright Year	2004
Description	Author affiliation: Sandia Nat. Lab., Albuquerque, NM, USA (Barnat, E.V.; Hebner, G.A.)
Abstract	Summary form only given. Spatially resolved electric fields in an argon sheath region near discontinuous surfaces are measured using laser-induced fluorescence-dip spectroscopy (LIF-dip). The fields were determined by observing experimentally determined Stark-shifted transitions to the 13d[3/2]/sub 1/ Rydberg state. Surface discontinuities included metal-dielectric, metal-metal and metal-step junctions. Spatial maps of electric fields, as well as spatial maps of metastable populations, optical emission and ion density are obtained in the regions near these discontinuities as a function of power and pressure of the discharge. These measurements indicate that the presence of these discontinuities induce spatial non-uniformities across the surface. The cause, the extent and the impact of these induced non-uniformities are discussed for the different discontinuous surfaces considered.
Sponsorship	Plasma Sci. and Applications Committee of the IEEE Nuclear and Plasma Sci. Soc
File Size	64322
File Format	PDF
ISBN	0780383346
ISSN	07309244
DOI	10.1109/PLASMA.2004.1339630
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-07-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface discharges Spatial resolution Argon Surface emitting lasers Electric variables measurement Laser transitions Fluorescence Spectroscopy Metastasis Particle beam optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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