Simultaneous dual-band line-field confocal optical coherence tomography: application to skin imaging

Biomedical Optics Express
Arthur DavisArnaud Dubois

Abstract

Line-field confocal optical coherence tomography (LC-OCT) operating in two distinct spectral bands centered at 770 nm and 1250 nm is reported, using a single supercontinuum light source and two different line-scan cameras. B-scans are acquired simultaneously in the two bands at 4 frames per second. Greyscale representation and color fusion of the images are performed to either produce a single image with both high resolution (1.3 µm × 1.2 µm, lateral × axial, measured at the surface) in the superficial part of the image and deep penetration, or to highlight the spectroscopic properties of the sample. In vivo images of fair and dark skin are presented with a penetration depth of ∼700 µm.

References

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Citations

Dec 5, 2019·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Mélanie PedrazzaniBrigitte Closs
Apr 1, 2020·Optics Express·Arnaud DuboisJonas Ogien
Oct 22, 2020·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Cristel RuiniJulia Welzel
Jun 30, 2021·Light, Science & Applications·Shreesha Rao D SOle Bang

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