laser divergence and machine size

Discussions on optics for laser cutter/engravers

Re: laser divergence and machine size

Postby educa » Sat Sep 15, 2012 10:25 pm

Would this be a problem for cutting through 3mm ply with a 80Watt co2 laser and 2" lens ?
educa
 
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Re: laser divergence and machine size

Postby macona » Sun Sep 16, 2012 9:07 am

Yes, a beam expander will reduce your depth of field. But it will make the DOF consistent over the entire area of the table. Other wise you will have a deep DOF at one corner and shallow on the opposite corner due to divergence.
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