Passive components for millimeter, submillimeter and terahertz electromagnetic waves made by piling up successive layers of material

The passive component for the transmission and manipulation of electromagnetic signals having frequencies from 30 GHz to 100 THz, comprises a corrugated or smooth wall unit alone or an assembly of at least one corrugated or smooth wall unit in a hollow guiding rod. The external shape of said unit(s) corresponds to the internal shape of the hollow guiding rod, and said units or the entire assembly may be metal plated to form the component. The manufacturing method of such components includes building units or sub units by piling up successive layers of material using 3D printing, 3D microfabrication based on 2-photon photopolymerisation, stereolithography, selective laser sintering (SLS), electron beam melting (EBM). The units or sub units are later possibly metal plated on selective or all surfaces.


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