However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...

However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...

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 ...

Scientists from the National Institute of Standards and Technology (NIST) have addressed the long-standing “green gap” by modifying a tiny optical component, a ring-shaped microresonator ...