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Speckle reduction in optical coherence tomography by strain compounding

Kennedy, B.F., Hillman, T.R., Curatolo, A. and Sampson, D.D. (2010) Speckle reduction in optical coherence tomography by strain compounding Optics Letters, 35 (14). pp. 2445-2447.

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We present a speckle reduction technique for optical coherence tomography based on strain compounding. Decorrelation is introduced between B-scans by altering the sample's strain. A theoretical description of the technique, based on a transfer-function formalism, and experimental results on silicone phantoms are presented. Nearly complete decorrelation between successive B-scan speckle patterns was observed for a variation in strain of 0.045. Strain compounding by averaging nine B-scans, with 0.003 strain increments between them, resulted in a 1.5-fold reduction in speckle contrast ratio.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences
Faculty of Health and Medical Sciences
Authors :
Kennedy, B.F.
Hillman, T.R.
Curatolo, A.
Date : 2010
DOI : 10.1364/OL.35.002445
Uncontrolled Keywords : Contrast ratio, Decorrelations, Optical coherence Tomography, Speckle patterns, Speckle reduction, Strain increments, Silicones, Speckle, Tomography, Coherent light, article, image quality, methodology, optical coherence tomography, Phantoms, Imaging, Tomography, Optical Coherence
Depositing User : Maria Rodriguez-Marquez
Date Deposited : 06 Jun 2018 11:18
Last Modified : 19 Sep 2018 11:32

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