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Light dosimetry: effects of dehydration and thermal damage on the optical properties of the human aorta

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Abstract

The influences of dehydration and thermal damage on in υitro optical properties of human aorta were studied. The absorption coefficient increased by 20–50%, especially in the visible range when at least 40% of total tissue weight was lost as a result of dehydration. The reduced scattering coefficient increased by 10–45% in the visible and 30% to over 150% in the near IR after the tissue samples were heated in a constant temperature water bath at 100°C for 300 ± 10 s. This study implies that dehydration and protein coagulation during photothermal treatment of tissue are important factors altering optical properties of tissue.

© 1993 Optical Society of America

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Corrections

I. Çilesiz and A. J. Welch, "Light dosimetry: effects of dehydration and thermal damage on the optical properties of the human aorta: errata," Appl. Opt. 33, 3571-3571 (1994)
https://opg.optica.org/ao/abstract.cfm?uri=ao-33-16-3571

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