Green laser pointer hazard: High infrared power levels found in some green lasers
Wednesday, August 4, 2010 - 11:35
in Physics & Chemistry
Green laser pointers have become a popular consumer item, delivering light that's brighter to the eye than red lasers, but stories have circulated on the Web about the potential hazards of inexpensive models. Now, scientists have found that in some cases green laser pointers emit high levels of invisible and potentially dangerous infrared light.