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 ...

laser inside the pointer. The process is only about 48% efficient, meaning that IR leaks out along with the green light. The better quality DPSS laser pointers include a quality IR filter to ...

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 ...