Welcome aboard Luz…
When you lase things, the dpi you try to use is pretty critical…
Some materials will limit what kind of dpi you can expect… I say this because 0.08mm is rather fine for wood…
I’d suggest you watch the Laser Everything video on photo engraving… It’s the best I’ve seen on how to find the right dpi for any laser with any material. The video uses a fiber, the idea is the same for any laser.
He also covers another part of photo engraving, how to slide the gray scale around…
Good luck