Realizing a 140 GHz gap waveguide–based array antenna by low-cost injection molding and micromachining

S Farjana, M Ghaderi, AU Zaman… - Journal of Infrared …, 2021 - Springer
This paper presents a novel micromachining process to fabricate a 140 GHz planar antenna
based on gap waveguide technology to be used in the next-generation backhauling links …

Analysis and design of ultra-wideband PRGW hybrid coupler using PEC/PMC waveguide model

Z Mousavirazi, MMM Ali, HN Gheisanab, TA Denidni - Scientific reports, 2022 - nature.com
In this paper, a new method to facilitate the design of Printed Ridge Gap Waveguide
(PRGW) structures is introduced. One of the main difficulties in designing such structures is …

Contactless non-leaking waveguide flange realized by bed of nails for millimeter wave applications

E Pucci, PS Kildal - 2012 6th European Conference on …, 2012 - ieeexplore.ieee.org
Waveguide flanges are typically used to connect and measure high frequency circuits. When
good conductive contact is not provided between the joining flange surfaces, currents will …

Dry film photoresist-based microfabrication: A new method to fabricate millimeter-wave waveguide components

S Farjana, M Ghaderi, S Rahiminejad, S Haasl… - Micromachines, 2021 - mdpi.com
This paper presents a novel fabrication method based on dry film photoresists to realize
waveguides and waveguide-based passive components operating at the millimeter-wave …

Low-loss high-confinement terahertz guided-wave propagation along a subwavelength gap between double-dielectric-ridge-integrated gratings

A Tehranian, M Ahmadi-Boroujeni, A Abbaszadeh - JOSA B, 2023 - opg.optica.org
Dielectric grating-based spoof surface plasmonic (SSP) structures are among the recent low-
loss and subwavelength field-concentrating solutions for realizing high-density terahertz …

Micromachined wideband ridge gap waveguide power divider at 220–325 GHz

S Farjana, AU Zaman, P Lundgren, P Enoksson - IEEE Access, 2022 - ieeexplore.ieee.org
A micromachined ridge gap waveguide power divider operating at 220–325 GHz is
presented. The device is fabricated by SUEX dry film photoresist. Dry film photoresist can be …

Millimetre Wave Kinetic Inductance Parametric Amplification using Ridge Gap Waveguide

D Banys, MA McCulloch, T Sweetnam, V Gilles… - Journal of Low …, 2022 - Springer
We present the design and simulation methodology of a superconducting ridge-gap
waveguide (RGWG) as a potential basis for mm-wave kinetic inductance travelling wave …

Design of substrate integrated gap waveguide and their transitions to microstrip line, for millimeter-wave applications

J Zhang, X Zhang, AA Kishk - IEEE Access, 2019 - ieeexplore.ieee.org
This paper offers an approximate, but very convenient and accurate, manner to find the
desired strip width for substrate integrated gap waveguide (SIGW) with a given characteristic …

Micromachined contactless pin-flange adapter for robust high-frequency measurements

S Rahiminejad, E Pucci, S Haasl… - … of Micromechanics and …, 2014 - iopscience.iop.org
We present the first micromachined double-sided contactless WR03 pin-flange adapter for
220–325 GHz based on gap waveguide technology. The pin-flange adapter is used to avoid …

Prospective new PMC based gap waveguide shielding for microwave modules

AU Zaman, E Rajo-Iglesias… - 2014 International …, 2014 - ieeexplore.ieee.org
In this paper we present a general overview of Gap Waveguide shielding or packaging
technique applied in various passive or active microwave modules in order to improve the …