Power Density Calculator

Use this calculator to determine the power density and/or fluence (energy density) of your laser beam.

Laser Parameters


Optional Sensor Parameters

Your Laser Fluence Summary
Average Power Density (W/cm2):
Energy Density (J/cm2):
Average Power (W):


  1. Tophat calculations are for ideal tophat laser beams. For beams that are not 100% uniform, the peak power/energy density will be higher.
  2. Gaussian beam intensity is calculated for the 1/e^2 (13.5% of peak) beam diameter.
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