Beware the Dim Laser Pointer: Researchers Measure High Infrared Power Levels from Some Green Lasers

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, a team at NIST has found that in some cases green laser pointers emit high levels of invisible and potentially dangerous infrared light.

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