Abstract
The effects of skin damage caused by near-ultraviolet (UV) radiation produce injuries that are mainly invisible to the naked eye. One of the main consequences of prolonged skin UV exposure is manifested in alterations of its physical properties. This work presents an in-depth analysis of the vibration patterns’ response of mouse skin samples exposed to UV radiation. Time-averaged digital holographic interferometry (TADHI) was used to perform the experiments where a near-ultraviolet laser was incorporated as the illumination source. The skin samples were subjected to a forced vibration in the z-direction, resulting in circular vibration fringes. The aging skin effects were studied through the analysis of these fringes by employing novel mathematical functions required to interpolate and perform the simulations of the tension and areal density behavior. The tension was found to increase as the areal density decreases to its lowest point.
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