Ultraviolet light emitting diodes (UV-LEDs) have rapidly evolved as a promising alternative to conventional mercury-based UV lamps in water disinfection systems. Their compact size, reduced energy ...

A compact ultraviolet-B (UV-B) semiconductor laser diode emitting at 318 nm under continuous-wave operation at room-temperature. The device demonstrates stable UV-B lasing on a low-cost sapphire ...

Japanese firm Nuvoton Technology has started mass production of its high-power UV semiconductor laser (379 nm, 1.0 W), which delivers industry-leading optical output in a 9.0 mm diameter CAN package ...

Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and ...

For the first time, scientists have used ultraviolet (UV) light, a low-cost and readily available energy source, to ...

Stock image courtesy Getty Images.For the first time, scientists have used ultraviolet (UV) light, a low-cost and readily ...

Kari Sholtes, PhD, is a practicing civil and environmental engineer who has worked as a project engineer and project manager in the private and public sectors and with non-governmental organizations.

LED lighting technology is increasingly adopted for its energy efficiency, durability, and longevity, making it an ideal solution for modernizing urban areas and developing smart city infrastructures.

LED bulbs are a household staple, lauded for their energy efficiency and longevity. Contrary to some concerns, standard LEDs emit negligible UV radiation, far less than sunlight, and are considered ...