Tananant Boonya-Ananta, Andres J Rodriguez, Ajmal Ajmal, JunZhu Pei, Kimberly L Branan, Amanda Sanchez, Marianne Porras Bouzas, Michael Alzamora, Gerard L Coté, Jessica C Ramella-Roman
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Abstract
We review the published work on the optical properties of the epidermis. Considering three primary skin tone groups, we summarize the existing data on epidermal absorption and scattering coefficient across the 300- to 1000-nm range. We include both experimentally derived values and ones extrapolated through models of bulk skin. We note a paucity of experimental data across all skin tones, which highlights the need for further research on epidermal melanin and skin tone to improve the reliability of optical devices interfacing with the skin.
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