A K-/Ka-band planar shared-aperture beam-scanning array

https://techxplore.com/news/2023-04-k-ka-band-planar-shared-aperture-beam-scanning-array.html

"high aperture usage efficiency, low cost, and multi-functional integration... shared-aperture beam-scanning array with wideband, outstanding isolation, planar, and lightweight... substrate-integrated coaxial line (SICL)-excited short-circuited-stub-loaded longitudinal slot and substrate integrated double line (SIDL)-excited slot-loaded patches are employed to radiate K- and Ka-band waves, respectively... able to scan up to 60° and 35° at K- and Ka- bands, respectively... mm-Wave shared-aperture terminals"