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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v73.i11.60
pages 1005-1015

REFLECTOMETRY OF CARBON FIBER REINFORCED PLASTIC (CFRP) IN SUB − TERAHERTZ FREQUENCY RANGE: THEORY AND EXPERIMENT

V. V. Yachin
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Chervonopraporna St., Kharkiv, 61002, 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
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
T. L. Zinenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRAKT

We propose a new recursive scheme of finding the stable solution for the problem of electromagnetic wave scattering from multilayered periodic structure. The problem is solved by the method of Integral Functionals. The frequency dependences of the CFRP reflection coefficient obtained by the method of Integral Functionals and by the method of quasi-optical reflectometry in sub-THz frequency range at different polarizations and angles of the wave incidence on the CFEP sample are compared. The results obtained can serve as a base for investigation of more complicated CFRP models including modeling of different types of surface contaminations. They can help interpret CFRP reflectometry results more effectively as well as to improve the methods of CFRP non-destructive testing in THz range of electromagnetic spectrum.


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