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Journal Articles Optics Express Year : 2020

Mirau-based line-field confocal optical coherence tomography

Abstract

Line-field confocal optical coherence tomography (LC-OCT) is an imaging technique in which A-scans are acquired in parallel through line illumination with a broadband laser and line detection with a line-scan camera. B-scan imaging at high spatial resolution is achieved by dynamic focusing in a Linnik interferometer. This paper presents an LC-OCT device based on a custom-designed Mirau interferometer that o ers similar spatial resolution and detection sensitivity. The device has the advantage of being more compact and lighter. In vivo imaging of human skin with a resolution of 1.3 µm * 1.1 µm (lateral * axial) is demonstrated over a field of 0.9 mm * 0.4 mm (lateral * axial) at 12 frames per second.
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Dates and versions

hal-02496799 , version 1 (03-03-2020)

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Arnaud Dubois, Weikai Xue, O Levecq, P Bulkin, Anne-Lise Coutrot, et al.. Mirau-based line-field confocal optical coherence tomography. Optics Express, 2020, 28 (6), pp.7918-7927. ⟨10.1364/OE.389637⟩. ⟨hal-02496799⟩
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