High-temperature superconducting reaction-type transmitting filter consisting of novel split open-ring resonators

Futatsumori, Shunichi; Hikage, Takashi; Nojima, Toshio

doi:10.1109/apmc.2006.4429640

Cited by 1 publication

(1 citation statement)

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“…Precisely, during the design of telecommunication systems such as antenna reflectors as shown in figurer 1 a), b) ,c) [8], printed substrate antennas as shown in Figure 1) d), [2], the electrical properties of the materials used in the manufacture of these systems or even perform numerical simulations, especially electrical permittivity, magnetic permeability and electrical conductivity must be considered by knowing their effect on the absorption, transmissions and reflections characteristics such as S-parameters [1][2][3][4][5][6][7][8][9][10]. In several years, Fibers Reinforced Polymer (FRP) became more interesting and indispensable in the field of manufacturing of radio frequencies telecommunication systems and radio absorption material (RAM) due of its ability to withstand external conditions , besides his special electrical properties, although the electrical properties of FRP are Bi-anisotropic ,which they could be represented as tensors to describe the heterogeneous nature and the fibers orientation effect on the their electromagnetic behavior when exposed under microwaves [9][10][11][12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

High Radio Frequencies interaction of Composite Materials Using Rectangular Waveguide

Adib¹,

Bensaid

2022

MATERIALS

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The main goal of this paper is studying the composite material behavior under microwave which they used in antennas reflectors. For that, a transmission line method based on X-band WR90 rectangular waveguide is used. The Bi-anisotropic electrical properties are defined as tensors in finite element model. The fibers of the single layer composite are oriented in different directions. The S-parameters (S11 and S12) are calculated using COMSOL Multiyphysics, the S-parameters and currents density behavior show that they very affected by the orientations of the fibers which mean must be considered in any design of RF equipments, more the fibers are parallel with the electrical field more the reflection coefficient get higher.

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