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The purpose of this research is designing optical phantoms with optical properties mimicking human tissue,
and also assessing their similarity to the target tissues. The material used for manufacturing phantoms
was a substrates made of respectively PCV and PDMS, mixed with ink and carbon nanoparticles in various
proportions.
The optical properties measured in this study were absorption and scattering coefficients. These
parameters were examined by measuring the impulse response that is an output made by laser lights hitting
planer layers (phantoms) with various thicknesses. Moreover, for these measurements were used two laser
beams with wavelengths of 532nm and 1054nm. Additionally, this setup included thermal imaging camera
that helped with registration of impulse response on phantoms.
Results of performed studies show dependence between behavior of laser lights and penetration to the
same tissue phantoms on varying depths of penetration. Lastly, these results were compared to simulated
impulse responses of the materials obtained by the means of Monte Carlo computer simulations.
Measurements’ results of investigation in the subject were found to be in agreement with said simulations,
proving that the manufactured phantoms can be used as a substitute of human tissue in researches that
can vary in purpose.
Author: Dorota Truchanowicz