After some napkin math, a motorized laser mount as above will have some nasty sine wave like effects if you take pictures in between steps of a rotating 3d scanner. Be aware, that 3d scanning ...

On a screen opposite the blue laser, they saw a dark line where the green laser blocked blue light leaving the crystal. This curious phenomenon arises from a property of the ruby itself.

This is "Laser Van Halen," one of the music laser light shows taking over the Vanderbilt ... "What’s really cool is if we project a laser beam as a line then make it move, we can create ...

When compared to the red laser line, it is possible to project the blue laser line in a significantly more sharply manner. The blue laser light permits higher stability and does not penetrate the ...