Abstract

A contactless and flangeless circular waveguide pipe contact made of a bed of pins is proposed. The bed of pins are surrounding a circular waveguide opening from one end to be connected to another circular waveguide of similar structure. The bed of pins surface is making an artificial magnetic conductor (AMC) and the smooth pipe covering the pins acting as a perfect electric conductor (PMC). Aligning these openings together and covering them symmetrically with the smooth pipe prevent signal leakage even if no contact is assured. No flange is required for the pipe contact, and it can be used for circular waveguides covering multiple mm-wave frequency bands between 50 and 110 GHz.

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