Towards direct measurements of remitted photon path lengths in skin: kinetic studies in the range 520-800 nm

V. Lukinsone; M. Osis; J. Latvels; I. Kuzmina; U. Rubins; N. Zorina; A. Maslobojeva; J. Spigulis

doi:10.1117/12.2526663

22 July 2019 Towards direct measurements of remitted photon path lengths in skin: kinetic studies in the range 520-800 nm

V. Lukinsone, M. Osis, J. Latvels, I. Kuzmina, U. Rubins, N. Zorina, A. Maslobojeva, J. Spigulis

Author Affiliations +

Proceedings Volume 11075, Novel Biophotonics Techniques and Applications V; 1107505 (2019) https://doi.org/10.1117/12.2526663
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany

Abstract

Skin-remitted picosecond laser pulses have been detected at variable input-output fiber distances (8 … 20 mm) in the spectral range 520-800 nm, with subsequent analysis of the pulse shape changes. Transfer functions representing the temporal responses of remitted photons to infinitely narrow δ-pulse excitation have been calculated. Parameters related to the photon path length in skin – input-output pulse peak delays, pulse FWHM, travel times of the “initial” photons and distributions of the remitted photon path lengths – are presented and analyzed. The measurement results are in general agreement with the photon propagation model expectations

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V. Lukinsone, M. Osis, J. Latvels, I. Kuzmina, U. Rubins, N. Zorina, A. Maslobojeva, and J. Spigulis "Towards direct measurements of remitted photon path lengths in skin: kinetic studies in the range 520-800 nm", Proc. SPIE 11075, Novel Biophotonics Techniques and Applications V, 1107505 (22 July 2019); https://doi.org/10.1117/12.2526663

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