Thermal effusivity of human skin by photoacoustic technique

Jose Bibiano Varela-Najera; Teodor Cordova-Fraga; Miguel Vargas-Luna; Gerardo Gutierrez-Juarez

doi:10.1117/12.386321

19 May 2000 Thermal effusivity of human skin by photoacoustic technique

Jose Bibiano Varela-Najera, Teodor Cordova-Fraga, Miguel Vargas-Luna, Gerardo Gutierrez-Juarez

Proceedings Volume 3916, Biomedical Optoacoustics; (2000) https://doi.org/10.1117/12.386321
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

In this work, we show a particular setup, which is based on the conventional photoacoustic cell, to measure thermal effusivity of human skin in-vivo and in-situ. We measure the changes of thermal effusivity due to the absorption of sunscreen into the skin and these values are compared with those from an adjacent sample of clean skin. This experiment was performed on a volunteer's forearm and stainless steel as the thermally thin absorption surface. The values for this parameter are in good agreement with those reported in the literature. Besides the measurements described above, with the same setup we got the thermal effusivity of the sunscreen itself as a reference parameter. R

Citation Download Citation

Jose Bibiano Varela-Najera, Teodor Cordova-Fraga, Miguel Vargas-Luna, and Gerardo Gutierrez-Juarez "Thermal effusivity of human skin by photoacoustic technique", Proc. SPIE 3916, Biomedical Optoacoustics, (19 May 2000); https://doi.org/10.1117/12.386321

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