Laser Calculators

  •     (divergence and irradiance calculator)
  •   

Eyewear Calculators

  •   (commercial link)

Laser Class Table

    http://upload.wikimedia.org/wikipedia/commons/3/31/Laser_class_EN_60825-1.en.png

Laser MPE Tables

File:IEC60825 MPE J s.png

Maximum permissible exposure (MPE) at the cornea for a collimated laser beam according to IEC 60825, as energy density versus exposure time for various wavelengths.

File:IEC60825 MPE W s.png

MPE as power density versus exposure time for various wavelengths.

File:IEC60825 MPE J nm.png

MPE as energy density versus wavelength for various exposure times (pulse durations).