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Johan Andrén

Johan Andrén
Articles by Johan Andrén Close
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What is a gap waveguide?

The gap waveguide is built up of two parts: a structured metal surface and a flat metal surface being placed in close proximity to one another. The structured surface is characterized by pins forming a barrier preventing the electromagnetic waves from propagating in undesired directions, resulting in signal losses as low as for rectangular waveguides.

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What is a waveguide?

Waveguides act as electrical transmission lines and are the fundamental building block for constructing any microwave circuit or component. Two classes of waveguides are normally used: Rectangular waveguides, where the wave propagates in a metallic tube filled with air, and Microstrip waveguides, where the wave propagation occurs within the substrate between metal traces and a ground plane.

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