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T-15MD tokamak microwave interferometer for measuring the average electron density of plasma
- Authors: Drozd A.S.1,2, Sergeev D.S.1, Begishev R.A.1,3, Igon’kina G.B.1, Sokolov M.M.1, Korshunov N.V.1,3, Khairutdinov E.N.1, Myalton T.B.1
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Affiliations:
- National Research Centre «Kurchatov Institute»
- National Research Nuclear University «Moscow Engineering Physics Institute»
- Moscow Institute of Physics and Technology
- Issue: Vol 50, No 5 (2024)
- Pages: 543-548
- Section: PLASMA DIAGNOSTICS
- URL: https://kazanmedjournal.ru/0367-2921/article/view/668763
- DOI: https://doi.org/10.31857/S0367292124050039
- EDN: https://elibrary.ru/PWQHDP
- ID: 668763
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Abstract
The distinctive features of the T-15MD tokamak microwave interferometer for measuring linearly integrated electron density, as well as the system for processing and recording its signals, are presented. The phase stability of microwave interferometer signals is analyzed. The results of measurements with a microwave interferometer during the first experimental campaign of the T-15MD tokamak are presented. The phase values were extracted by using an analog phase meter and post-processing of digitized microwave interferometer signals: an intermediate frequency signal and a local oscillator signal. It is shown that the results of the plasma density calculation by these two methods coincide.
About the authors
A. S. Drozd
National Research Centre «Kurchatov Institute»; National Research Nuclear University «Moscow Engineering Physics Institute»
Author for correspondence.
Email: Drozd_AS@nrcki.ru
Russian Federation, Moscow, 123182; Moscow, 115409
D. S. Sergeev
National Research Centre «Kurchatov Institute»
Email: Sergeev_DS@nrcki.ru
Russian Federation, Moscow, 123182
R. A. Begishev
National Research Centre «Kurchatov Institute»; Moscow Institute of Physics and Technology
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182; Dolgoprudny, Moscow oblast, 141701
G. B. Igon’kina
National Research Centre «Kurchatov Institute»
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182
M. M. Sokolov
National Research Centre «Kurchatov Institute»
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182
N. V. Korshunov
National Research Centre «Kurchatov Institute»; Moscow Institute of Physics and Technology
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182; Dolgoprudny, Moscow oblast, 141701
E. N. Khairutdinov
National Research Centre «Kurchatov Institute»
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182
T. B. Myalton
National Research Centre «Kurchatov Institute»
Email: Begishev_RA@nrcki.ru
Russian Federation, Moscow, 123182
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