General Category > 3D Printers

Multiple Galvos

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Macpod:
To properly calculate the value you would need to sum up (plus multiply for amplifiers) the errors and non-linearity of all the components. I wouldn't want to make a guess without significant experimentation which I have not formally done. What I would do in your design is try to keep temperatures as stable as possible.

I think if i were experimenting with this I would try to use as focused a beam as possible and then increase the diameter if you find you have problems. I suspect as-is this won't be a problem due to the beam width of your laser (assuming you will keep it stock) and it's transverse electromagnetic (TEM) mode.

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