MORIN, Antoine; FRIGERIO, Jean-Marc

doi:10.1364/AO.51.003431

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MORIN, Antoine
Institut des Nanosciences de Paris [INSP]

FRIGERIO, Jean-Marc
Biodiversité, Gènes & Communautés [BioGeCo]
Institut des Nanosciences de Paris [INSP]

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Applied optics. 2012, vol. 51, n° 16, p. 3431-3438

Optical Society of America

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Spatially resolved spectroscopic optical coherence tomography (OCT) has been demonstrated to be a convenient tool for spectral analysis in turbid media. For a full-field OCT configuration using a Mirau objective in the visible range, we found that the effective numerical aperture varies over the field of view, leading to field-dependent spectral shifts in the reconstructed spectra. Interferograms recorded with quasi-monochromatic lights are theoretically fitted with a general Mirau interference formula, and we propose a numerical correction method for white-light spectroscopy. The method is then tested successfully for the measure of the reflectivity of a plane gold sample. (C) 2012 Optical Society of America< Leer menos

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Aperture effect correction in spectroscopic full-field optical coherence tomography

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