Abstract: In simultaneous wireless power and data transfer (SWPDT) systems, which adopt coupling coils with taps, the selection of the tap position to obtain good performance of communication is a ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...

John Riley finds the Sigma 20-200mm f/3.5-6.3 DG Contemporary lens offers incredible versatility and impressiv... John Riley reviews and tests the Sigma 35mm f/1.4 DG II Art Lens, exploring its ...

Microwave photonics is the practical application of electromagnetic waves with a wavelength between one millimetre and one meter. Microwaves are important for communications, and systems for detecting ...