Ultra Long-range Visible Light Propagation of Human Skin

Abstract

We have been developed the optical imitation model of human skin. The model demonstrated that the long-wavelength side of a visible light caused multiple reflections and the propagation range were very wide. The long-wavelength side of a visible light including red and yellow is important for the skin color image, so the evaluation of the light propagation of real human skin is worth much for developing basic theories of semitransparent objects like skin. The length of the light propagation of human skin were detected using red, green and blue lasers, and the red laser light propagated 54mm which was longer than green and blue. Our results were well matched for our previous optical imitation models.