This article presents a D-band waveguide diplexer fabricated using micro metal additive manufacturing (M-MAM) technology. The diplexer features two sixth-order filters with passbands of 130–134 GHz ...

Waveguide components have been widely explored for several decades, due to their inherent merits of low insertion losses, high quality (<;i>Q<;/i>) factors, and a significant power-handling capacity.