Polarization, propagation, and deposition measurements during ECCD experiments on the DIII-D tokamak | Zendy

C.C. Petty | Zendy; T.C. Luce | Zendy; Y.R. Lin-Liu | Zendy; J. Lohr | Zendy; R. Prater | Zendy; M. E. Austin | Zendy

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Polarization, propagation, and deposition measurements during ECCD experiments on the DIII-D tokamak

Author(s) -

C.C. Petty,

T.C. Luce,

Y.R. Lin-Liu,

J. Lohr,

R. Prater,

M. E. Austin

Publication year - 1999

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/353435

Subject(s) - diii d , tokamak , toroid , polarization (electrochemistry) , optics , deposition (geology) , physics , perpendicular , materials science , atomic physics , nuclear physics , chemistry , geology , plasma , paleontology , geometry , mathematics , sediment

The power deposition profiles for different poloidal and toroidal launch angles have been determined by modulating the ECH power and measuring the electron temperature response. The peak of the measured power density follows the poloidal steering of the ECH launcher, and perpendicular launch gives a narrower deposition profile than does oblique (current drive) launch. The difference in wave refraction between X-mode and O-mode allows positive identification of an unwanted O-mode component of the launched beam

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