1 W laser is in the “a diffuse reflection can do damage” safety class. It’s the kind of laser where you lock doors to the optics lab to prevent people without e

1 W laser is in the “a diffuse reflection can do damage” safety class. It’s the kind of laser where you lock doors to the optics lab to prevent people without eye protection accidentally entering when the laser is in operation. Having a computer point-and-shoot one at random directions in free air is just madness. There is zero discussion of human safety of such a system in the paper.