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Title: Helicon Plasma Source Configuration Analysis by Means of Density Measurements

Initial results have been obtained from operation of a helicon plasma source built to conduct optimization studies for space propulsion applications. The source features an easily reconfigurable antenna to test different geometries. Operating with He as the source gas, peak densities >= 1.6X10{sup 19} m{sup -3} have been achieved. Radial and axial plasma profiles have been obtained using a microwave interferometer that can be scanned axially and a Langmuir probe. The source will be used to investigate operation at high magnetic field, frequency, and input power.
Authors:
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Publication Date:
OSTI Identifier:
14605
Report Number(s):
ORNL/CP-105112
TRN: AH200129%%336
DOE Contract Number:
AC05-96OR22464
Resource Type:
Conference
Resource Relation:
Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: PBD: 13 Nov 1999
Research Org:
Oak Ridge National Lab., TN (US)
Sponsoring Org:
USDOE Office of Science (US)
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; ANTENNAS; CONFIGURATION; INTERFEROMETERS; LANGMUIR PROBE; MAGNETIC FIELDS; OPTIMIZATION; PLASMA; PROPULSION