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Proceedings Paper

Measurements of ligament and cartilage optical properties at 351 nm, 365 nm, and in the visible range (440 to 800 nm)
Author(s): Marie-Anne Descalle; Steven L. Jacques; Scott A. Prahl; Timothy J. Laing; William R. Martin
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Paper Abstract

To further evaluate the potential for intra-articular phototherapy, the optical properties of normal porcine ligament and cartilage were determined in vitro. The diffuser reflectance, Rd, was measured with an integrating sphere at 351, 365 nm and in the range 440 - 800 nm. The lateral spread of light introduced by a 400 mm optical fiber was measured and analyzed to yield the optical penetration depth, (delta) . The two measurements, Rd and (delta) yielded the absorption coefficient (mu) a (cm-1), and the reduced scattering (mu) s' equals (mu) s (1-g) (cm-1) at 351, 365 nm and in the range 440 - 800 nm.

Paper Details

Date Published: 14 January 1998
PDF: 7 pages
Proc. SPIE 3195, Laser-Tissue Interaction, Tissue Optics, and Laser Welding III, (14 January 1998); doi: 10.1117/12.297911
Show Author Affiliations
Marie-Anne Descalle, Univ of Michigan (United States)
Steven L. Jacques, Oregon Medical Laser Ctr. (United States)
Scott A. Prahl, Oregon Medical Laser Ctr. (United States)
Timothy J. Laing, Univ. of Michigan Hospital (United States)
William R. Martin, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 3195:
Laser-Tissue Interaction, Tissue Optics, and Laser Welding III
Guy P. Delacretaz; Guilhem Godlewski; Roberto Pini; Rudolf W. Steiner; Lars Othar Svaasand, Editor(s)

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