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Any builds using an array?

Skans

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I'm curious to know whether anyone has ever built a handheld laser using an array of diodes focused into one beam?
 

diachi

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I'm curious to know whether anyone has ever built a handheld laser using an array of diodes focused into one beam?
Not really "one beam", but I think this is what you are thinking of.

Combining multiple diodes is more complex than just focusing a bunch of them with some lenses.

 




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