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Journal of Biomedical Optics

Adaptive spectral apodization for sidelobe reduction in optical coherence tomography images
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Paper Abstract

Often in imaging systems, the bandpass of the system is not uniform. In temporal coherence imaging methods such as optical coherence tomography, one would like to achieve the most spatially confined impulse response possible with a given source spectrum, minimizing sidelobes that blur adjacent features together. Typically the spectrum of the source is controlled in order to remove sidelobes from the measured interferogram. However, the measured interferogram is not necessarily the best estimate of the scattering density of the object. In this work, a sidelobe supression method is proposed and demonstrated to achieve low sidelobes even with highly nonuniform, non-Gaussian spectra.

Paper Details

Date Published: 1 November 2004
PDF: 7 pages
J. Biomed. Opt. 9(6) doi: 10.1117/1.1806471
Published in: Journal of Biomedical Optics Volume 9, Issue 6
Show Author Affiliations
Daniel L. Marks, Univ. of Illinois/Urbana-Champaign (United States)
Paul Scott Carney, Univ. of Illinois/Urbana-Champaign (United States)
Stephen A. Boppart, Univ. of Illinois/Urbana-Champaign (United States)

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