Broadband, Stable, and Noniterative Dielectric Constant Measurement of Low-Loss Dielectric Slabs Using a Frequency-Domain Free-Space Method

Mehmet ERTUĞRUL

A broadband, stable, and noniterative free-space method is proposed for dielectric constant ε′r determination of low-loss dielectric slabs from reflection-only measurements through simple calibration standards (reflect and air). It is applicable for dispersive samples and does not require thickness information. Simulations of nondisperive and dispersive samples are performed to validate our method. Dielectric constant measurements of polyethylene and polyoxymethylene samples (9–11 GHz) are carried out to examine the accuracy of our method.

Makale 2022 Mühendislik Fakültesi IEEE Transactions on Antennas and Propagation70 ( 12 ) 65 Görüntülenme

Graphical Method for Examining Complex Natural Frequencies of Dispersive Materials

Mehmet ERTUĞRUL

A graphical method is extended to and applied for visual inspection of solution patterns (region of complex natural frequencies sn) in the complex s-plane for dispersive materials characterized by the Debye and Lorentz models. These patterns are in the form of exponential decay and C-shaped profiles for the Debye and Lorentz models, respectively. Their forms are observed to be affected (e.g., moving left/right) in different manners with a variation of dispersion parameters. This method, thanks to its visual inspection capability, can help in analyzing/synthesizing filters and frequency-selecti ...Daha fazlası

Makale 2021 Mühendislik Fakültesi IEEE Microwave and Wireless Components Letters31 ( 5 ) 132 Görüntülenme

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Koleksiyon [1]

Araştırmacılar [1]

BM Sürdürülebilir Kalkınma [2]

Fakültesi / Enstitütü [1]

Yayın Türü [1]

Yayımlanma Yılı [2]

Dil [1]

Kaynak [2]

Veri Tabanları [3]

İndex Türü [2]

Yayıncı [1]

Bölümü [1]

Ulusal/Uluslararası [1]

Konu Başlıkları [11]

Broadband, Stable, and Noniterative Dielectric Constant Measurement of Low-Loss Dielectric Slabs Using a Frequency-Domain Free-Space Method

Mehmet ERTUĞRUL

Graphical Method for Examining Complex Natural Frequencies of Dispersive Materials

Mehmet ERTUĞRUL