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Proceedings Paper

Deep skin structural and microcirculation imaging with extended-focus OCT
Author(s): Cedric Blatter; Branislav Grajciar; Robert Huber; Rainer A. Leitgeb
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Paper Abstract

We present an extended focus OCT system for dermatologic applications that maintains high lateral resolution over a large depth range by using Bessel beam illumination. More, Bessel beams exhibit a self-reconstruction property that is particularly useful to avoid shadowing from surface structures such as hairs. High lateral resolution and high-speed measurement, thanks to a rapidly tuning swept source, allows not only for imaging of small skin structures in depth but also for comprehensive visualization of the small capillary network within the human skin in-vivo. We use this information for studying temporal vaso-responses to hypothermia. In contrast to other perfusion imaging methods such as laser Doppler imaging (LDI), OCT gives specific access to vascular responses in different vascular beds in depth.

Paper Details

Date Published: 9 February 2012
PDF: 7 pages
Proc. SPIE 8207, Photonic Therapeutics and Diagnostics VIII, 82070B (9 February 2012); doi: 10.1117/12.909830
Show Author Affiliations
Cedric Blatter, Medical Univ. Vienna (Austria)
Branislav Grajciar, Medical Univ. Vienna (Austria)
Robert Huber, Medical Univ. Vienna (Austria)
Rainer A. Leitgeb, Medical Univ. Vienna (Austria)

Published in SPIE Proceedings Vol. 8207:
Photonic Therapeutics and Diagnostics VIII
Anita Mahadevan-Jansen; Andreas Mandelis; Kenton W. Gregory; Nikiforos Kollias; Hyun Wook Kang; Henry Hirschberg; Melissa J. Suter; Brian Jet-Fei Wong; Justus F. Ilgner; Stephen Lam; Bodo E. Knudsen; Steen Madsen; E. Duco Jansen; Bernard Choi; Guillermo J. Tearney; Laura Marcu; Haishan Zeng; Matthew Brenner; Krzysztof Izdebski, Editor(s)

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