D-Band Air-Filled Substrate Integrated Waveguide (AFSIW) and Broadband Stripline to AFSIW Launcher Embedded in Multi-Layer PCBs

S Sinha, H Trischler, I Ocket… - IEEE Microwave and …, 2023 - ieeexplore.ieee.org
We report-band air-filled substrate integrated waveguides (AFSIWs) with solid copper
sidewalls fabricated inside a multi-layer printed circuit board (PCB) with broad wall width of …

Increasing efficiency of leaky-wave antenna by using substrate integrated slab waveguide

E Massoni, M Bozzi, K Wu - IEEE Antennas and Wireless …, 2019 - ieeexplore.ieee.org
This letter presents a possibility of increasing the radiation efficiency of double-sided leaky-
wave antennas (LWAs) by using the substrate integrated slab waveguide (SISW). The idea …

Fabrication-tolerant broadband air-filled SIW isolated power dividers/combiners

NH Nguyen, A Ghiotto, T Martin, A Vilcot… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This article introduces two-way broadband air-filled substrate integrated waveguide (AFSIW)
isolated power dividers/combiners based on surface mounted absorbing materials. The …

Configurable perforated air-filled substrate integrated waveguide (AFSIW) for generic high-performance systems on substrate

T Martin, A Ghiotto, TP Vuong… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this article, the patent pending configurable perforated air-filled substrate integrated
waveguide (PAFSIW) is presented. First, a theoretical and experimental study of the …

Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB)

L Johnson, H Bouazzaoui, E Meyer, P Meyer… - IEEE …, 2022 - ieeexplore.ieee.org
In this paper, a resonator and second order filter are fabricated using a novel technological
process based on micromachining and thermo-diffusion. The use of this innovative process …

Dielectric slab air-filled substrate integrated waveguide (SAFSIW) bandpass filters

NH Nguyen, A Ghiotto, TP Vuong… - IEEE Microwave and …, 2020 - ieeexplore.ieee.org
This letter introduces stepped-impedance bandpass filters based on the slab air-filled
substrate integrated waveguide (SAFSIW), which provides a compromise in terms of loss …

[HTML][HTML] Contactless AF-SIW phase shifters based on periodic structures at mmWaves

C Segura-Gómez, M Pérez-Escribano… - … -International Journal of …, 2024 - Elsevier
This document presents different phase shifter designs implemented in contactless air-filled
substrate-integrated waveguide (CLAF-SIW) technology. The phase shifters are based on …

Multilayer slab AFSIW antipodal linearly tapered slot antenna with cross-polarization reduction

NH Nguyen, A Ghiotto, A Vilcot… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
This letter introduces a simple technique to reduce cross polarization in multilayer antipodal
linearly tapered slot antenna taking advantage of the slab air-filled substrate integrated …

A 90° self-compensating slab air-filled substrate integrated waveguide phase shifter

NH Nguyen, A Ghiotto, T Martin, A Vilcot… - 2019 IEEE MTT-S …, 2019 - ieeexplore.ieee.org
This paper presents a 90° self-compensating phase shifter based on a slab air-filled
substrate integrated waveguide platform in Ka-band. A shorter phase shifter is obtained due …

Thermal stability analysis of filters in substrate integrated technologies under atmospheric pressure and vacuum conditions

V Nova, CB Martin, JA Martínez, HE González… - IEEE …, 2020 - ieeexplore.ieee.org
Substrate Integrated (SI) technologies, either completely or partially filled with dielectric, as
well as completely empty (ie without any dielectric material), have been object of intense …