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 ...

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 remove it; cheaper ones often ...

Indeed, green laser pointers and miniature colour laser projectors ... The prototype output power of 5 mW and estimated lifespan of several thousand hours are indeed promising for a commercial ...