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ICH antenna development on the ORNL RF Test Facility [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1987.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: (4 pages) : digital, PDF file
Additional Creators:
Oak Ridge National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
A compact resonant loop antenna is installed on the ORNL Radio Frequency Test Facility (RFTF). Facility characteristics include a steady-state magnetic field of ≈ 0.5 T at the antenna, microwave-generated plasmas with n{sub e} ≈ 10¹² cm{sup −3} and T{sub e} ≈ 8 eV, and 100 kW of 25-MHz rf power. The antenna is tunable from ∼22--75 MHz, is designed to handle ≥1 MW of rf power, and can be moved 5 cm with respect to the port flange. Antenna characteristics reported and discussed include the effect of magnetic field on rf voltage breakdown at the capacitor, the effects of magnetic field and plasma on rf voltage breakdown between the radiating element and the Faraday shield, the effects of graphite on Faraday shield losses, and the efficiency of coupling to the plasma. 2 refs., 4 figs.
Report Numbers:
E 1.99:conf-870570-22
conf-870570-22
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
01/01/1987.
"conf-870570-22"
"DE91009654"
7. topical conference on applications of radio-frequency power to plasmas, Kissimmee, FL (USA), 4-6 May 1987.
Hoffman, D.J.; Gardner, W.L.; Bigelow, T.S.; Haste, G.R.; Livesey, R.L.
Funding Information:
AC05-84OR21400
View MARC record | catkey: 14747200