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1 June 1990 Potential role of collagen in optical behavior of arterial tissue during laser irradiation
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Proceedings Volume 1202, Laser-Tissue Interaction; (1990)
Event: OE/LASE '90, 1990, Los Angeles, CA, United States
The optical properties diffuse reflection and transmission of normal porcine aorta and thermally coagulated aorta were measured using low power laser irradiation at 1060 nm, 633 nm, 514 nm, and 325 nrn (reflection measurements only). The results from three of the wavelengths (1060 nm, 633 nm, and 514 nm) were used with a Delta-Eddington diffusion approximation model12 to calculate absorption coefficients, j.ta, and effective scattering coefficients, j.ts, of the normal and thermally coagulated aorta at these wavelengths. The results show a strong wavelength dependency of irreversible changes in optical properties of thennally damaged aorta, with a trend of increasing changes in reflection approaching smaller wavelengths.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ramtin Agah, Massoud Motamedi, Praveen Dalmia, Emile Ettedgui, Liang Song, and J. Richard Spears M.D. "Potential role of collagen in optical behavior of arterial tissue during laser irradiation", Proc. SPIE 1202, Laser-Tissue Interaction, (1 June 1990);

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