NDLI: Optical, wave measurements, and modeling of helicon plasmas over a wide range of magnetic fields

Content Provider	IEEE Xplore Digital Library
Author	Denning, C.M. Tysk, S.M. Scharer, J.E. Siqi Lou Akhtar, K.
Copyright Year	2004
Description	Author affiliation: University of Wisconsin-Madison (Denning, C.M.)
Abstract	Summary form only given, as follows. helix antenna operating at 13.56 MHz for static magnetic fields ranging from 200-1000 G¿ Diagnostics include Langmuir, wave magnetic field, and optical probes, as well as electron energy analyzer and 105 GHz interferometly. The physics behind an apparent constant phase peak of the 443 nm AI II emission relative to the rf antenna drive current is investigated. This phenomenon, which occurs under higher magnetic fields, is contrasted against a traveling peak observed at lower magnetic field strengths. The transition point at which highdensity ¿blue mode¿ helicon operation begins is investigated to determine the plasma physics responsible. The I-dimensional ANTENA2 and the 2-dimensional MAXEB computational codes are used to model the wave electric and magnetic fields, with the latter capable of axial and radial variation in both the static magnetic field and plasma density? Also, an alternative experimental setup is designed for a nonuniform static magnetic field configuration to examine the effect on radial confinement and ionization.
Sponsorship	Plasma Sci. and Applications Committee of the IEEE Nuclear and Plasma Sci. Soc
Starting Page	328
Ending Page	328
File Size	66062
Page Count	1
File Format	PDF
ISBN	0780383346
ISSN	07309244
DOI	10.1109/PLASMA.2004.1340029
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	Magnetic field measurement Plasma measurements Plasma waves Magnetic fields Optical interferometry Plasma density Plasma confinement Frequency Integrated circuit modeling
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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