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 ...

“If you have high-quality ... doubled green lasers, which use a nonlinear crystal to perform second-harmonic generation of a near-infrared laser diode. Indeed, green laser pointers and miniature ...