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Aperture effect correction in spectroscopic full-field optical coherence tomography |
Applied Optics, Vol. 51, Issue 16, pp. 3431-3438 (2012)
http://dx.doi.org/10.1364/AO.51.003431
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Abstract
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.
© 2012 Optical Society of America
OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(180.3170) Microscopy : Interference microscopy
(300.6550) Spectroscopy : Spectroscopy, visible
ToC Category:
Imaging Systems
History
Original Manuscript: February 1, 2012
Revised Manuscript: March 15, 2012
Manuscript Accepted: March 16, 2012
Published: May 31, 2012
Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics
Citation
Antoine Morin and Jean-Marc Frigerio, "Aperture effect correction in spectroscopic full-field optical coherence tomography," Appl. Opt. 51, 3431-3438 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-16-3431
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