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1 July 2003 Speckle reduction in optical coherence tomography by frequency compounding
Michael Pircher, Erich Götzinger, Rainer A. Leitgeb, Adolf Friedrich Fercher, Christoph K. Hitzenberger
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Journal of Biomedical Optics, Vol. 8, Issue 3, (July 2003). https://doi.org/10.1117/1.1578087
We are investigating the possibility of a frequency compounding method for speckle reduction in optical coherence tomography. The method is based on incoherent summation of the magnitudes of two independent interferometric signals, which were recorded at two different center wavelengths simultaneously. We derive the corresponding statistics and compare the theoretical results with measurements obtained in a uniformly scattering sample. Finally we demonstrate our method by comparing images of human skin recorded in vivo with and without frequency compounding. The compounding method results in an increased contrast and improved image quality without loss of resolution.
©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Michael Pircher, Erich Götzinger, Rainer A. Leitgeb, Adolf Friedrich Fercher, and Christoph K. Hitzenberger "Speckle reduction in optical coherence tomography by frequency compounding," Journal of Biomedical Optics 8(3), (1 July 2003). https://doi.org/10.1117/1.1578087
Published: 1 July 2003
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Cited by 258 scholarly publications and 38 patents.
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KEYWORDS
Optical coherence tomography
Speckle
Light sources
Scattering
Beam splitters
Light scattering
Speckle pattern
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