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Despite its long history, a double-concave (DC) Fabry-Perot open resonator (FPOR) has recently gained popularity in the characterization of dielectrics in the 20–110 GHz range, mainly due to such novel accomplishments as full automation of the measurement process and the development of even ore accurate and computationally efficient electromagnetic model. However, it has been discovered that such a DC resonator suffers from unwanted mode coupling present for electrically thick samples. Such limitations are missing in a plano-concave (PC) FPOR. For those reasons, the aim in this article is to apply the newly proposed scattering matrix method in the study of major properties of that kind of a resonator and, subsequently, to propose a new tool dedicated to the measurement of dielectrics without the aforementioned limits. For the first time in the literature, major properties of the PC FPOR with and without the sample, such as resonance frequencies, geometric factors, energy filling factors, and the resulting quality factor, are rigorously computed. Moreover, their impact on the accuracy of the loss tangent extraction is investigated. Such a study, which opens the way for accurate microwave characterization of electrically thick dielectric sheets above 20 GHz, has never been performed before. The whole complex permittivity extraction algorithm presented in this article is validated experimentally by measuring wellknown materials, namely, C-plane sapphire, silicon, and Z-cut monocrystalline quartz.
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Autorzy (6)
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Bartlomiej Salski
- Politechnika Warszawska
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Tomasz Karpisz
- Politechnika Warszawska
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Piotr Czekala
- Politechnika Warszawska
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Pawel Kopyt
- Politechnika Warszawska
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- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
nr 70,
strony 2732 - 2742,
ISSN: 0018-9480 - Język:
- angielski
- Rok wydania:
- 2022
- Opis bibliograficzny:
- Salski B., Karpisz T., Warecka M., Kowalczyk P., Czekala P., Kopyt P.: Microwave Characterization of Dielectric Sheets in a Plano-Concave Fabry-Perot Open Resonator// IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES -Vol. 70,iss. 5 (2022), s.2732-2742
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tmtt.2022.3152511
- Źródła finansowania:
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 112 razy