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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v51.i10.120
pages 96-102

A Laser-Based Polarization Interferometer for Plasma Diagnostics at Submillimeter Wavelength

Yu. Ye. Kamenev
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
V. K. Kiseliov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine; V.N.Karazin Kharkiv National University 4, Svobody sq., 61022, Kharkiv, Ukraine
Ye. M. Kuleshov
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
B. N. Knyaz'kov
V. K. Kononenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine
P. K. Nesterov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
M. S. Yanovsky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, Ukraine

RÉSUMÉ

A laser based polarization interferometer for the wavelength of 195μm has been designed for joint operation with the multi-channel 337 μm interferometer of the "Tokamak 15" device. This permits simultaneous determination of the plasma electron density and the poloidal magnetic field induced by the plasma column current in one of the seven vertical sounding channels. The microwave section of the equipment involves a hollow dielectric beam waveguide and quasi-optic functional devices. The absence of metal antennas, replaced by open ends of the hollow dielectric beam guide has enabled a polarization resolution of the order of 0.1°.


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