2013
DOI: 10.1364/oe.21.001163
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Numerical compensation of system polarization mode dispersion in polarization-sensitive optical coherence tomography

Abstract: Polarization mode dispersion (PMD), which can be induced by circulators or even moderate lengths of optical fiber, is known to be a dominant source of instrumentation noise in fiber-based PS-OCT systems. In this paper we propose a novel PMD compensation method that measures system PMD using three fixed calibration signals, numerically corrects for these instrument effects and reconstructs an improved sample image. Using a frequency multiplexed PS-OFDI setup, we validate the proposed method by comparing birefri… Show more

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Cited by 37 publications
(29 citation statements)
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“…Following the finding that polarization mode dispersion in the OCT interferometer and catheters inhibits accurate and reproducible polarimetry [107], methods were identified to mitigate this effect and enable intravascular birefringence [108,109] and depolarization [110] measurements. This work has recently been translated into clinical studies with intriguing results demonstrating the very promising utility of polarimetry for vascular and plaque characterization [37,38].…”
Section: Discussionmentioning
confidence: 99%
“…Following the finding that polarization mode dispersion in the OCT interferometer and catheters inhibits accurate and reproducible polarimetry [107], methods were identified to mitigate this effect and enable intravascular birefringence [108,109] and depolarization [110] measurements. This work has recently been translated into clinical studies with intriguing results demonstrating the very promising utility of polarimetry for vascular and plaque characterization [37,38].…”
Section: Discussionmentioning
confidence: 99%
“…In fiber-based PS-OCT systems, PMD 40 in fiber and optical components, such as the circulator, are believed to contribute to the polarimetric noise in the birefringence measurement, 41,42 and approaches have been proposed to compensate for the PMD introduced by SMF and other optical components. 43 Structural properties of tissue also contribute to polarimetric noise. When light propagates in tissue, multiple scattering events can randomize the phase retardation, and scattering caused by an irregularly shaped tissue structures can introduce an abrupt change in polarization state of backscattered light.…”
Section: Discussionmentioning
confidence: 99%
“…Since OCT is based on broadband light covering a wide range of wavelengths, efforts have been made to mitigate effects such as polarization mode dispersion in PS-OCT systems based on optical fibers [18,[27][28][29][30].…”
Section: Brief Basics Of Octmentioning
confidence: 99%
“…Real-time display of PS-OCT data was enabled by parallel computing [115]. Computational methods were devised for removing polarization artifacts in order to produce clearer PS-OCT images [21,[27][28][29]57,116,117]. As PS-OCT is an interferometric technique based on coherent light, images are subject to speckling which sometimes obscures structural details.…”
Section: Recent Advances In Ps-oct Technologymentioning
confidence: 99%