Laser Beam Irradiance
Drag map markers to set origin and target. The beam overlay extends until irradiance reaches the cutoff threshold.
Laser properties
Atmospheric settings
Visualization settings
Irradiance
Target irradiance
Target distance
Target beam diameter
Cutoff range
Bearing
Diffraction floor divergence
Effective divergence
Atmospheric loss at wavelength
Target atmospheric transmission
Safety distances
Target safety status
NOHD
ED50
SZED
CZED
LFZED
Visual correction factor
Formula sources
- LaserPointerSafety safety calculations (NOHD, SZED, CZED, LFZED, visual correction factor)
- FAA AC 70-1B (laser free / critical / sensitive / normal flight zone context)
- RP Photonics beam divergence reference (diffraction-limited and M²-related divergence behavior)
- Decibel relation used for atmospheric transmission conversion
Model includes diffraction-limited divergence floor (with M²) and wavelength-dependent atmospheric transmission.