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 ... Unprotected lithium cells, high voltage, and blinding laser light. What can go wrong?

“If you have high-quality semiconductor sources of red ... generation of a near-infrared laser diode. Indeed, green laser pointers and miniature colour laser projectors rely on this approach ...