Optothermal skin-water concentration gradient measurement

Peng Xiao; Robert E. Imhof

doi:10.1117/12.239588

7 May 1996 Optothermal skin-water concentration gradient measurement

Peng Xiao, Robert E. Imhof

Proceedings Volume 2681, Laser-Tissue Interaction VII; (1996) https://doi.org/10.1117/12.239588
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Opto-Thermal Transient Emission Radiometry has been shown to be able to measure stratum corneum hydration in-vivo. We now present a study that shows how the technique can be extended to give information about the distribution of water within the stratum corneum. This depth profile measurement capability is based on a new theoretical expression for the opto- thermal signal that takes a gradient of water concentration explicitly into account. The technique is illustrated with measurements on untreated skin and skin treated with petroleum jelly and DMSO.

Citation Download Citation

Peng Xiao and Robert E. Imhof "Optothermal skin-water concentration gradient measurement", Proc. SPIE 2681, Laser-Tissue Interaction VII, (7 May 1996); https://doi.org/10.1117/12.239588

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