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100mw Red

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Finally mounted all the parts for my, half, home made laser scanner and I have put a 100mw red laser in there although I hope to add different colors and mix them in the future.

Quick question about reds at this power... Should the beam be visible? I can just about see it in a dimly lit room.
 

andy_con

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650nm are not that visible.

add a small amount of smoke and you will be able to see it
 
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andy_con said:
650nm are not that visible.

add a small amount of smoke and you will be able to see it
Hmm ok then.

Still looking for a good fogger, might just go with the one in maplin for £30.
 




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