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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.v66.i4.90
pages 373-382

Investigation of Terahertz Polarized Frequency Shifter with Crystal Quartz Phase Sections

V. I. Bezborodov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 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
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 polarized phase frequency shifter (PFS) for quasi-optical transmission line with phase sections made of crystal quartz and polarizers executed on the basis of small-period wire gratings has been considered. The PFS is intended for operation in terahertz (THz) frequency band. Its investigation has been examined at the frequency of f0 = 0.89 THz. The influence of the differential phase shirt deviation in the sections on the output signal spectrum and the influence of the sections mismatch on the reflection signal spectrum have been considered. In the frequency band of ± 10% the levels of the spurious spectral components of the PFS output signal is not more than - 40 dB, and the levels of the shifted and the mirror spectral components of the reflected signal are not more than - 60 dB with regard to the level of the PFS payload signal.


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