Researchers have developed a 3D-printed device that ... necessary to create the vortex beam. Finally, the signals are transmitted through a circular array of antennas to produce a vortex beam ...

A group led by Professor Robert Thomson machined an over-hanging circular ... beam into a Gaussian-Bessel beam is to introduce a conical lens called an axicon into the beam path, but the Heriot-Watt ...

A new beam pattern devised by University of Rochester researchers could bring unprecedented sharpness to ultrasound and radar images, burn precise holes in manufactured materials at a nano scale ...

Once completed, it brought an additional 192.3 MW to the array. The extension is fitted with a patented technology, the New Pillar Anchoring Solution, which uses concrete pillars and H-beam system ...