Influence of different coupling agents on the light-phantom interface

Thereza C. Fortunato; Vanderlei S. Bagnato; Lilian T. Moriyama

doi:10.1117/12.2288524

12 February 2018 Influence of different coupling agents on the light-phantom interface

Thereza C. Fortunato, Vanderlei S. Bagnato, Lilian T. Moriyama

Proceedings Volume 10476, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XXVII; 1047613 (2018) https://doi.org/10.1117/12.2288524
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Both for therapeutic and diagnosis purposes, light dosimetry is generally based on empirical data reported in the literature. It is known that tissue color, hydration and surface roughness influences the light propagation. In this context, it is important to investigate ways to minimize these effects leading to an enhanced phototherapy or photodiagnosis application. This study aims to evaluate how different coupling agents alter the light distribution at the light-phantom interface. Diffuse reflectance measurements were performed in order to compare the light interaction with the phantom with and without the coupling agents.

Citation Download Citation

Thereza C. Fortunato, Vanderlei S. Bagnato, and Lilian T. Moriyama "Influence of different coupling agents on the light-phantom interface", Proc. SPIE 10476, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XXVII, 1047613 (12 February 2018); https://doi.org/10.1117/12.2288524

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KEYWORDS

Refractive index

Interfaces

Water

Diffuse reflectance spectroscopy

Optical phantoms

Tissue optics

Laser beam diagnostics

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