Laser Cutting Speed, Power & Energy Density Calculator
Calculate linear energy delivery (J/mm), pulse overlap percentage, focal spot diameter, and scaled cutting speeds across CO2, diode, and fiber lasers for acrylic, wood, and metal.
Laser Parameters & Cutting Speed
W
%
mm/s
Hz
Linear Energy Delivery
OPTIMAL VECTOR CUT
3.73 J / mm
Actual optical output: 56.0 Watts continuous power
Optics & Spot Characteristics
Focal Spot Diameter:
0.18 mm (180 µm)
Surface Power Density (Fluence):
21.8 J / mm²
Pulse Overlap Percentage:
98.3% (Smooth Edge)
Air Assist & Process Recommendations
Assist Air Pressure:
High (20 – 30 PSI)
Process Tip:
High air assist prevents wood charring and flare-ups