I am just now seeing the same issue on my DIY laser cutter - It seems to put out two half moons, but one is stronger than the other right from the tube… Could it be power or frequency or some weird setting, in the main Ruida Controller?
Without a photo, it’s hard for anyone to help you. If alignment is far enough out, it sometimes produces a half moon or halo…
Post a photo
If that’s what you’re seeing from a test pulse at the entry to Mirror 1, then the tube is not operating in TEM00 mode and you’re in need of a new tube.
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LightBurn and the controller have nothing to do with the shape of the laser beam, so don’t change any settings!
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