UV Laser Settings
UV lasers, usually around 355 nm, mark with very little heat. They are used for glass, plastics, and delicate or heat-sensitive materials where a fiber or CO2 laser would melt, crack, or discolor the surface.
1 community setting. Select a material for its full settings, notes, and photos.
UV Laser engraving settings
| Material | Machine | Speed | Density | Passes | Frequency | Q-pulse |
|---|---|---|---|---|---|---|
| Black MarkLeather | UV | 450 mm/s | 600 LPI | 1 | 45 kHz | 1 ns |
What to know about uv laser settings
- Cold marking
- Because the beam is absorbed near the surface with little heat spread, UV can mark clear glass and white plastics without the frosting or melting other lasers cause.
- Very source-specific
- UV sources vary a lot in power and pulse behavior. Treat settings from another machine as a starting point and run a test grid.
New to these terms? Read how laser settings work, or convert LPI and line interval with the line density converter.
Before you run these settings
Settings vary between individual machines, even of the same model: lens, focus, alignment, air assist, and the exact material all change the result. Run a small test grid on scrap from the same sheet first, never leave the laser unattended, and never cut PVC or vinyl.