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
45 µm
measured
Spot area
1.59e-5 cm²
Avg power
12 W
Areal dose
40 J/cm²
energy per unit area
Pulse energy
0.3 mJ
power-limited
Peak power
3,000 W
Pulse fluence
18.86 J/cm²
Peak irradiance
1.89e+8 W/cm²
Pulse pitch
25 µm
beam travel between pulses
Overlap along scan
44%
Line overlap
33%
Pulses / point
1.8
along-scan coverage
Energy deposition heatmap
Accumulated dose over a 0.36 mm square of surface. Each dot is one pulse.
moderate overlap
100 µm
0local dose (J/cm²)47
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.