Megawatt structured light arrives with 3,070 optical vortices in one array

Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase ...
Hackaday

microphone array

Immersive audio is the new hotness in the recording world. Once upon a time, mono was good enough. Then someone realized humans have two ears, and everyone wanted stereo. For most of us, that’s where ...
IEEE

An Integrated Shared-Aperture Active Phased Array Enabling STAR LEO Satellite Communication: Concept, Design, and Validation

Abstract: This study introduces an innovative K-/Ka-band planar active shared-aperture phased array (ASAPA), advancing low earth orbit (LEO) terminal design through synergistic innovations in ...
IEEE

Dual-Circularly Polarized Wide-Angle Scanning Phased Array with Composite Dielectric Integration for Axial Ratio Improvement

Abstract: In the 6G era, integrated space–air–ground–sea networks require antenna arrays capable of supporting wide-angle circularly polarized (CP) beam scanning up to ±60° with a low axial ratio (AR) ...
NHK

Phased Array Radar Promises Precise Weather Forecasting

In this episode, a faster and more accurate weather radar system provides instantaneous full 3D images of storm cloud activity 10km up into the sky, promising more precise weather forecasting.