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Telecommunications and Radio Engineering
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ISSN Imprimer: 0040-2508
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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v67.i13.80
pages 1207-1215

Quasi-Optical Polarization Attenuators in the Terahertz Frequency Band

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
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
M. S. Yanovsky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, Ukraine

RÉSUMÉ

Reduction in the quality of grating polarizers operating in terahertz frequency band results in the limitations of attenuation interval indicated by direct reading polarization attenuator. In this case parasitic orthogonally polarized signal comes into existence on the attenuator output. The comparison of different modifications of polarization attenuators including transmitting and reflective polarizers has allowed to make conclusion of merits of attenuators including transmitting polarizers. The examples of the attenuators realized on the basis of hollow dielectric and metal-dielectric waveguides, are presented.