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 ...

City Councilmember Vickie Paladino, a Republican who represents parts of northeast Queens, said a "high-powered green laser pointer" can damage camera sensors, like the ones used to collect the MTA's ...

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 ...

Indeed, green laser pointers and miniature colour laser projectors rely on this approach and commercial devices are widely available from firms such as Corning, Osram Opto Semiconductors and Oxxius.

A study published in Proceedings of the Royal Society B, found that while the baboons noticed and responded to a laser mark ...