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Proceedings Article

In-vivo evaluation of locally mapped refractive indices with OCT

[+] Author Affiliations
Alexander R. Knuettel, Slavtcho Bonev, Christian Kugler

ISIS Optronics GmbH (Germany)

Proc. SPIE 4251, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications V, 136 (May 23, 2001); doi:10.1117/12.427884
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From Conference Volume 4251

  • Coherence Domain Optical Methods in Biomedical Science and Clinical Applications V
  • Valery V. Tuchin; Joseph A. Izatt; James G. Fujimoto
  • San Jose, CA | January 20, 2001

abstract

Besides morphological images created by optical coherence tomography (OCT), another inherent physical parameter is evaluated in skin tissue under in vivo conditions. Refractive indices may support tissue characterization for research and diagnostic purposes in cosmetics/pharmacy and medicine, respectively. To accomplish refractive index evaluation, the sample arm of our OCT setup has been arranged to minimize mechanical adjustment and yet accommodate a wide parameter range at the entire penetration depth of up to 1 mm. A simple algorithm for local mapping has been derived. Refractive index maps have been measured locally in skin of stratum corneum, epidermis and upper parts of the dermis. Dry and moist skin areas have been observed by refractive index evaluation.

© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alexander R. Knuettel ; Slavtcho Bonev and Christian Kugler
"In-vivo evaluation of locally mapped refractive indices with OCT", Proc. SPIE 4251, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications V, 136 (May 23, 2001); doi:10.1117/12.427884; http://dx.doi.org/10.1117/12.427884


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