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Light Sources, Analysis & Laser Safety

About Light Sources, Analysis & Laser Safety  

 

                Optical radiation entering the eye is focused on the retina and produces a focal spot of relatively high energy/power density, depending naturally on the amount of energy or power entering the eye. The size of this focal spot is the critical factor in determining the hazard classification of an optical source.  For laser beams and some other light sources this focal spot is extremely small and hence - the high optical hazard of point sources like laser radiation.