Laser calculator
Pick your laser, enter your LightBurn settings, read off the physics.
Laser & material
LightBurn settings
The operating parameters you dial into your job.
Power60 %
Source parameters
Adjust to match your exact hardware. Defaults from the selected laser.
Derived metrics
limiting at maxpulsed
Spot Ø
40 µm
measured
Spot area
1.26e-5 cm²
Avg power
18 W
Areal dose
60 J/cm²
energy per unit area
Pulse energy
0.3 mJ
power-limited
Peak power
3,000 W
Pulse fluence
23.87 J/cm²
Peak irradiance
2.39e+8 W/cm²
Pulse pitch
16.7 µm
beam travel between pulses
Overlap along scan
58%
Line overlap
25%
Pulses / point
2.4
along-scan coverage
Energy deposition heatmap
Accumulated dose over a 0.32 mm square of surface. Each dot is one pulse.
heavy overlap
100 µm
0local dose (J/cm²)74
Select a target material to model peak surface temperature and the marking regime.
Sensitivity sweep
How areal dose responds as one setting varies — everything else held at your current values.
Dashed line marks your current speed = 1,000 mm/s.