The UV-light emitting diode (LED) has been attracting significant attention as a new UV
source that can replace conventional mercury gas-filled lamps in water disinfection …

The increase in efficiency achieved by UV LED devices has led to a compelling increase in
research reports on UV LED water treatment for consumption in the past few years. This …

Virtual and augmented reality (VR/AR) are expected to revolutionise entertainment,
healthcare, communication and the manufacturing industries among many others. Near‐eye …

Soon after the discovery of lasers in the 1960s it was realized that laser therapy had the
potential to improve wound healing and reduce pain, inflammation and swelling. In recent …

Freeform optics is the next-generation of modern optics, bringing advantages of excellent
optical performance and system integration. It finds wide applications in various fields, such …

Photobiomodulation (PBM), the use of biocompatible tissue-penetrating light to interact with
intracellular chromophores to modulate the fates of cells and tissues, has emerged as a …

In this review article, we discuss the molecular beam epitaxy and basic structural, electronic,
optical, excitonic, chemical and catalytic properties of III-nitride nanostructures, including …

Since the first light-emitting diode (LED) was invented by Holonyak and Bevacqua in 1962,
LEDs have made remarkable progress in the past few decades with the rapid development …

The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …

Visible light communication (VLC) has been proposed as a promising and efficient solution
to indoor ubiquitous broadband connectivity. In this paper, non-orthogonal multiple access …