Geeky Gadgets

Convert Any Image or Photo into Editable 3D Models for Makers & Creators : SAM 3D

What if you could turn a simple photo into a fully realized 3D model, all without spending a dime? Below, Matthew Berman takes you through how SAM 3D, an open source platform from Meta, is ...
IEEE

2D Silicon Photonic Metalens-based Focal Plane Array (FPA) Optical Beam Steering with Wide Field-of-View (FOV) for Chip-to-Chip Optical Wireless Communication (OWC)

Abstract: We put forward and demonstrate a 2D wide field-of-view (FOV) silicon photonics (SiPh) optical beam steerer via a metalens focal plane array (FPA). We illustrate the potential implementations ...
IEEE

A 21 to 30-GHz Merged Digital-Controlled High Resolution Phase Shifter-Programmable Gain Amplifier with Orthogonal Phase and Gain Control for 5-G Phase Array Application

Abstract: This paper presents a 21 to 30-GHz merged passive vector sum phase shifter (PS) and programmable gain amplifier (PGA) with sub-degree phase resolution for 5-G phased array application. In PS ...