Abstract: Rotational Doppler shift in vortex electromagnetic (EM) wave radar system can provide more detailed features of rotating objects, especially the features which is perpendicular to the radar ...
Travis Gettys is a senior editor for Raw Story based in northern Kentucky. He previously worked as a web editor for WLWT-TV and a contributing writer for the Kentucky Enquirer, and he also wrote for ...
Abstract: Recently, topological lightwaves, represented by optical vortices, have become easily generated and are expected to have many novel applications. In this work, we report on coherent quench ...