Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

Now researchers in Japan have reported the world’s first continuous-wave UV-B semiconductor laser diode operating at room temperature on a low-cost sapphire substrate. This breakthrough by researchers ...

Chinese researchers recently found that a near-infrared reflective blending coating had better optical and cooling performance, thereby reducing the absorbed energy of pavement in permafrost regions ...

Researchers have built a new platform that produces ultrashort UV-C laser pulses and detects them at room temperature using ...

A programmable semiconductor changes its electronic properties under UV light and reverts under a different wavelength, enabling optical writing and reading for potential computing applications.