Microwave Doppler reflectometer system in LHD | Zendy

T. Tokuzawa | Zendy; A. Ejiri | Zendy; K. Kawahata | Zendy; K. Tanaka | Zendy; I. Yamada | Zendy; M. Yoshinuma | Zendy; K. Ida | Zendy; C. Suzuki | Zendy

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Microwave Doppler reflectometer system in LHD

Author(s) -

T. Tokuzawa,

A. Ejiri,

K. Kawahata,

K. Tanaka,

I. Yamada,

M. Yoshinuma,

K. Ida,

C. Suzuki

Publication year - 2012

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4733736

Subject(s) - large helical device , doppler effect , microwave , optics , antenna (radio) , physics , radio frequency , materials science , plasma , telecommunications , nuclear physics , computer science , quantum mechanics , astronomy

In order to measure the poloidal rotation velocity, a Doppler reflectometer has been developed in Large Helical Device (LHD). A remotely controlled antenna tilting system has been installed in an LHD vacuum vessel. A synthesizer is used as the source, and the operation microwave frequency ranges are ka-band and V-band. In LHD last experimental campaign we obtained the Doppler shifted signal, which was consistent with CXRS measurements

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