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Proceedings Paper

Temperature-dependent optical properties of individual vascular wall components measured by OCT
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Paper Abstract

Optical properties of tissues and tissue components are important parameters in biomedical optics. We report measurements of tissue refractive index n, and the attenuation coefficient μt using optical coherence tomography of individual vascular wall layers and plaque components. Moreover, since the temperature dependence of optical properties is widely known, we compared measurements at room and body temperatures. A decrease of n and μt was observed in all samples, with most profound effect on samples with high lipid content. The sample temperature is of influence on the quantitative measurements within OCT images. For extrapolation of ex vivo experimental results, especially for structures with high lipid content, this effect should be taken into account.

Paper Details

Date Published: 22 February 2006
PDF: 7 pages
Proc. SPIE 6078, Photonic Therapeutics and Diagnostics II, 60782A (22 February 2006); doi: 10.1117/12.650505
Show Author Affiliations
Ton G. van Leeuwen, Academic Medical Ctr. (Netherlands)
Univ. Twente (Netherlands)
Freek J. van der Meer, Academic Medical Ctr. (Netherlands)
Dirk J. Faber, Academic Medical Ctr. (Netherlands)
Inci Çilesiz, Istanbul Technical Univ. (Turkey)


Published in SPIE Proceedings Vol. 6078:
Photonic Therapeutics and Diagnostics II
Kenton W. Gregory; Guillermo J. Tearney; Nikiforos Kollias; Haishan Zeng; Bernard Choi; Reza S. Malek; Michael D. Lucroy; Lloyd P. Tate; Henry Hirschberg; Steen J. Madsen; Brian Jet-Fei Wong; Justus F. R. Ilgner; Eugene A. Trowers; Werner T.W. de Riese, Editor(s)

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