Gapwaves Ab

Esperanza Alfonso Alós

Magnus Gustafsson

Hanna Karlsson

Per-Simon Kildal

Simon Carlred

An arrangement () for interconnection of waveguide structures () or components comprising a number of waveguide flange adapter elements () having a surface of a conductive material with a periodic or quasi-periodic structure () formed by a number of protruding elements () arranged or designed to allow waves to pass across a gap between a surface around a waveguide opening () to another waveguide opening in a desired direction or waveguide paths, at least in an intended frequency band of operation, and to stop propagation of waves in the gap in other directions.

Non-contacting waveguide flange adapter element having quasi-periodic protruding elements configured to pass waves in one direction and stop waves in other directions

A micro strip to waveguide transition comprising a waveguide module and a section of printed circuit board (PCB). The waveguide module comprises a waveguide aperture and a repetitive structure, the waveguide aperture being arranged extending through the module for attaching a waveguide to an external side of the module, the repetitive structure comprising a plurality of protruding elements arranged to surround the waveguide aperture on an internal side of the module and to define a passage into the waveguide aperture on the internal side, wherein the repetitive structure is configured to attenuate electromagnetic signal propagation in a frequency band past the repetitive structure while allowing propagation via the passage, the transition further comprising a PCB with a patch antenna connected to a transmission line and arranged to face the passage into the waveguide aperture.

Contactless microstrip to waveguide transition

A microstrip to waveguide transition comprising a waveguide module and a section of printed circuit board (PCB). The waveguide module comprises a waveguide aperture and a repetitive structure, the waveguide aperture being arranged extending through the module for attaching a waveguide to an external side of the module, the repetitive structure comprising a plurality of protruding elements arranged to surround the waveguide aperture on an internal side of the module and to define a passage into the waveguide aperture on the internal side, wherein the repetitive structure is configured to attenuate electromagnetic signal propagation in a frequency band past the repetitive structure while allowing propagation via the passage, the transition further comprising a PCB with a patch antenna connected to a transmission line and arranged to face the passage into the waveguide aperture.

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Västra Frölunda, Sweden

Esperanza Alfonso Alós