Optical characterization of tissue-simulating phantom components at 405 nm

Abstract

Optical properties of India ink (1950375, Parker, Quink, England) and 1-µm polystyrene microsphere (07310-15, Polysciences, USA) have been predicted at 405 nm. For this purpose, a single integrating sphere system and spectrophotometric transmission spectroscopy have been used to estimate the radiometric characteristics. Radiometric measurements utilized to retrieve optical coefficients were based on two different methods. The extinction coefficient has been estimated using collimated transmittance. To reconstruct absorption and scattering coefficients, total transmittance, diffuse reflectance and transmittance were measured. Polystyrene albedo was 0.9925 and was 0.1044 for ink. The agreement of PS scattering coefficient in comparison to Mie theory was obvious.