An SIW fed dual-band and dual-polarized lens antenna at K/Ka-band

Jaschke, Thomas; Mitto, Hans K.; Jacob, Arne F.

doi:10.23919/eumc.2017.8230799

Cited by 4 publications

(3 citation statements)

References 14 publications

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“…In the following, we extend the results presented in [18]. In particular, we discuss technological improvements and report more details on the design procedure.…”

Section: Introductionmentioning

confidence: 70%

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K/Ka-band dual-polarized SIW-fed lens antennas for Rx/Tx integration

Jaschke

Mitto

Jacob

2018

Int. J. Microw. Wireless Technol.

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This contribution deals with array elements for K/Ka-band satellite communication terminals. It proposes an end-fire design realized in substrate integrated waveguide technology and featuring dual-band functionality, and dual circular polarization. The latter is achieved by means of a dual-band orthomode transducer. An extended hemispherical dielectric lens ensures good matching and radiation properties. The feed structure is composed of a multilayer printed circuit board and tapered superstrates. The design procedure of the components is explained in detail and three different variants of the antenna are compared. The measured scattering and far-field parameters validate the concept.

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“…In the following, we extend the results presented in [18]. In particular, we discuss technological improvements and report more details on the design procedure.…”

Section: Introductionmentioning

confidence: 70%

“…This manufacturing process represents a significant improvement compared with the manual one used in [18]. Multiple antennas can now be manufactured on a single PCB.…”

Section: Realizationmentioning

confidence: 99%

K/Ka-band dual-polarized SIW-fed lens antennas for Rx/Tx integration

Jaschke

Mitto

Jacob

2018

Int. J. Microw. Wireless Technol.

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“…The scanning capabilities of patch-based phased arrays can be further improved thanks to the use of an external radome [14]. Other sub-wavelength antennas, in this case based on dielectric-filled apertures, can be found in [15]- [17].…”

Section: Introductionmentioning

confidence: 99%

Solving Sub-Wavelength Lattice Reduction in Full-Metal Front-Ends for Dual-Polarized Active Antennas

Polo‐López

Menargues²,

Capdevila³

et al. 2022

IEEE Trans. Antennas Propagat.

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This paper proposes an original structure of evanescent quad-ridge antenna to conceive dual-polarized full-metal front-ends that can be used in active antennas with wide field-ofview. An original design methodology is here proposed that allows to induce radiation from sub-wavelength squared apertures based on the use of evanescent and quad-ridge waveguides. The proposal is illustrated by means of a design with 4.5% bandwidth providing dual-circular polarization with good performance up to 50 o -scanning even in the diagonal plane. For comparison purposes, a metallic benchmark is also proposed, which is based on the use of classical quad-ridge horns. Such comparative analysis allows to understand the superior performance of the proposed concept and its main advantage: it allows to avoid the excitation of the first high order mode in the squared quadridge aperture. The excitation of such spurious mode in the antenna is explained in terms of simple equivalent circuit models characterizing the aperture periodic discontinuity.

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