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Line-field confocal optical coherence tomography
Author(s): Jonas Ogien; Olivier Levecq; Hicham Azimani; Arthur David; Weikai Xue; David Siret; Jean-Luc Perrot; Arnaud Dubois
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Paper Abstract

We present an improved time-domain optical coherence tomography technique designed for ultrahigh-resolution B-scan imaging in real-time. The technique, called line-field confocal optical coherence tomography, is based on a Linnik-type interference microscope with line illumination using a supercontinuum laser and line detection using a line-scan camera. Bscan imaging with dynamic focusing is achieved by acquiring multiple A-scans in parallel. In vivo cellular level resolution imaging of skin is demonstrated at 10 frame/s with a penetration depth of ∼ 500 μm, with a spatial resolution of 1.3 μm × 1.1 μm (transverse × axial).

Paper Details

Date Published: 22 February 2019
PDF: 4 pages
Proc. SPIE 10867, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII, 108670U (22 February 2019); doi: 10.1117/12.2507244
Show Author Affiliations
Jonas Ogien, DAMAE Medical (France)
Olivier Levecq, DAMAE Medical (France)
Hicham Azimani, DAMAE Medical (France)
Arthur David, DAMAE Medical (France)
Lab. Charles Fabry (France)
Weikai Xue, Lab. Charles Fabry (France)
David Siret, DAMAE Medical (France)
Jean-Luc Perrot, Ctr. Hospitalier Univ. de Saint-Étienne (France)
Arnaud Dubois, Lab. Charles Fabry (France)

Published in SPIE Proceedings Vol. 10867:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII
James G. Fujimoto; Joseph A. Izatt, Editor(s)

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