Deep skin structural and microcirculation imaging with extended-focus OCT

Cedric Blatter; Branislav Grajciar; Robert Huber; Rainer A. Leitgeb

doi:10.1117/12.909830

9 February 2012 Deep skin structural and microcirculation imaging with extended-focus OCT

Cedric Blatter, Branislav Grajciar, Robert Huber, Rainer A. Leitgeb

Proceedings Volume 8207, Photonic Therapeutics and Diagnostics VIII; 82070B (2012) https://doi.org/10.1117/12.909830
Event: SPIE BiOS, 2012, San Francisco, California, United States

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.

Citation Download Citation

Cedric Blatter, Branislav Grajciar, Robert Huber, and Rainer A. Leitgeb "Deep skin structural and microcirculation imaging with extended-focus OCT", Proc. SPIE 8207, Photonic Therapeutics and Diagnostics VIII, 82070B (9 February 2012); https://doi.org/10.1117/12.909830

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