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My take on a quad red






Why are you lasers staggered like that? are you knifeedging off the corner of the mirrors? or is that to cater for horizontal and vertical polarised beams to get a more uniform output beam.

(sorry I am new to this stuff, knifeedging and pbs cubes etc) :)
 
Hey cool array youve got there!
I am pretty new to knife edging.. why arent you using shine through mirrors? would it be less efficient?
Also I am curious: Is this the technique they sometimes use on these very powerful industrial lasers for cutting and welding? Like maybe they combine for 30W lasers and get something like a 120W cutter? Or are there limits in power?
 
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