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Looks interesting. It would be pretty hard to get laser beams that thin, though. The only beams I've seen that thin are HeNe.
 

Asherz

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this seems like a cool idea, but was not thought out at all, it's definitely a very early concept.

Like said above divergence/beam that small is near impossible, getting a battery small enough and powerful enough to run two small lasers is un likely + the issue that green diodes are still ridiculously over priced.

Not to mention the small issue about needing visualizers to be able to see the beam at such low powers, since the battery is gonna have such a low capacity meaning low current meaning week output.
 




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