How do I create a wall of green lasers?
I’d like to create a “wall” of green solid state lasers with a beam projecting downwards from the ceiling every inch for 10 feet. Any suggestions on how best to do this? Should I use individual pointer lasers daisy chained for power? Or should I use a single more powerful laser with splitters or mirrors?
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You might get some ideas from this image search
It depends on the effect you want to achieve. If you just want to point the lasers to the floor you won’t see much, just the spots on the floor 1 inch apart. You normally will not see the beams unless there is something to catch the light like talc in the air (bad to breathe though). If you want stripes down the wall you will need to optically convert the beam from a point to a line. In any case, yes, individual lasers will be the way to go, and aiming them precisely will be a pain. You might do better to construct and project a single image such as this:
http://upload.wikimedia.org/wikipedia/commons/1/1f/Green_grid_for_McCollough_effect.png
Which could be done cheaply with something as simple as an old fashioned slide projector.
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January 25th, 2012
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