Determination of the maximum permissible exposure to single infrared laser pulses from the viewpoint of safety and industrial hygiene

A description is given of a method for the determination of the maximum permissible exposure to single laser pulses of λ = 1.06 μ wavelength. It is shown that, in the case of such pulses, an energy density of 6×10^–2 J/cm² reaching the retina of the human eye is safe. It is reported that the maximum permissible energy density on the cornea when the pupil diameter is 3 mm is of the order of 10^–4 J/cm² when the eye is illuminated with a collimated beam.