Transmission measurements on tissue-like phantoms: a simple system for optical parameter determination

Alberto Colasanti; Annamaria Kisslinger; Raffaele Liuzzi; Maria Quarto; Patrizia Riccio; Giuseppe Roberti; Fulvia Villani

doi:10.1117/12.301091

1 January 1998 Transmission measurements on tissue-like phantoms: a simple system for optical parameter determination

Alberto Colasanti, Annamaria Kisslinger, Raffaele Liuzzi, Maria Quarto, Patrizia Riccio, Giuseppe Roberti, Fulvia Villani

Author Affiliations +

Proceedings Volume 3194, Photon Propagation in Tissues III; (1998) https://doi.org/10.1117/12.301091
Event: BiOS Europe '97, 1997, San Remo, Italy

Abstract

In last years NIR radiation was extensively used to detect targets hidden in optically turbid media. We performed transillumination measurements on tissue-like phantoms (absorbing objects embedded in Intralipid and black ink solutions) to determine the intensity of transmitted radiation. The experimental apparatus include a diode laser ((lambda) _emiss equals 820 nm, CW power equals 250 mW), a detection fiber (diameter equals 600 mm), a PMT and a Digital Signal Analyzer (bandwidth equals 1 GHz). At variance of very complex systems that reject highly scattered photons by time-resolved detection, the developed system performs this selection by collimation. The experimental data were compared with diffusion approximation predictions.

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Alberto Colasanti, Annamaria Kisslinger, Raffaele Liuzzi, Maria Quarto, Patrizia Riccio, Giuseppe Roberti, and Fulvia Villani "Transmission measurements on tissue-like phantoms: a simple system for optical parameter determination", Proc. SPIE 3194, Photon Propagation in Tissues III, (1 January 1998); https://doi.org/10.1117/12.301091

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