Researchers at Nichia Corporation have demonstrated green InGaN-based lasers grown on c-plane sapphire, with lifetimes capable of supporting commercial applications. The demonstration of green ...

Could a practical green laser diode finally be within sight? The latest research looks optimistic. Researchers at the Japanese company Nichia have fabricated an InGaN semiconductor laser diode ...

Using a green laser beam, a ruby crystal, and blue light illumination, they demonstrated that light, under specific conditions, could block another light source, creating a visible shadow.