Near-field focused antenna arrays have emerged as a critical technology for optimising electromagnetic energy delivery and imaging. By finely controlling the phases and amplitudes of individual ...

Until recently phased array radar has been very expensive, used only for military applications where the cost of survival weighs in the balance. With the advent of low-cost microwave devices and ...

Microlens arrays are rigid arrangements of very tiny lenses, each with a diameter of less than 10 millimeters. These arrays may be one or two dimensional, and are mounted in a regular pattern on a ...