As automotive, industrial, and satellite communication sectors trend towards higher frequency bands, the need for high directivity beamforming becomes essential.
This case study will review the device design and manufacturing process of a high-performance, low-loss 3D-printed GRIN lens for the E-Band.To validate the technology, a simple Luneburg-style, radially symmetric spherical lens was designed and printed using the FLUX CORE, a DLP 3D printer, and low-loss photopolymer dielectric material, Radix™. The lens was fed by E-band coaxe-to-waveguide transition and the performance was characterized from 60 GHz to 85 GHz.