Victor, have you ever tried putting the output of a 4X or more knife edge into a spherical beam expander? I am trying to determine if a knife edge output can be used with a beam expander without obvious distortions to the beam outputs when in either of these patterns:
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Or
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My NUGM04 laser diodes arrived, just before they were to be sent regular post I decided to have them air courier shipped to me. Mirrors also on the way, should be here soon, so this can go together without too much delay now.
Chris
Last edited by Laser57; 04-06-2021 at 05:15.
Glowing green eyes is a camera photoflash reflection.