Research Papers

Adaptive spectral apodization for sidelobe reduction in optical coherence tomography images

[+] Author Affiliations
Daniel Marks, P. Scott Carney

University of Illinois at Urbana-Champaign, Beckman Institute for Advanced Science and Technology, Department of Electrical and Computer Engineering, 405 North Mathews, Urbana, Illinois 61801

Stephen A. Boppart

University of Illinois at Urbana-Champaign, Beckman Institute for Advanced Science and Technology, Department of Electrical and Computer Engineering and College of Medicine, 405 North Mathews, Urbana, Illinois 61801 E-mail: boppart@uiuc.edu

J. Biomed. Opt. 9(6), 1281-1287 (Nov 01, 2004). doi:10.1117/1.1806471
History: Received Jul. 8, 2003; Revised Mar. 19, 2004; Accepted Apr. 20, 2004; Online November 22, 2004
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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. © 2004 Society of Photo-Optical Instrumentation Engineers.

© 2004 Society of Photo-Optical Instrumentation Engineers

Citation

Daniel Marks ; P. Scott Carney and Stephen A. Boppart
"Adaptive spectral apodization for sidelobe reduction in optical coherence tomography images", J. Biomed. Opt. 9(6), 1281-1287 (Nov 01, 2004). ; http://dx.doi.org/10.1117/1.1806471


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