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

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v60.i34.160
9 pages

Quasi-Optical Interferometers with Enhanced Phase Sensitivity

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

RESUMO

Quasi-optical interferometers are described intended for determining of electron concentration (ne) of plasma by sounding with submillimetric waves and measuring of phase shift (φ) of wave passed through plasma, the shift being caused by change of ne. Design of interferometers is based on a hollow dielectric beam guide and radio-measurement quasi-optical devices. Proposed circuits allow to increase accuracy of ne determination in cases that values of φ measured by well-known interferometers [1] make several degrees or several tens of degrees.


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