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Enhanced depolarization contrast in polarization-sensitive optical coherence tomography

机译:偏振敏感光学相干断层扫描中增强的去极化对比度

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We demonstrate the first application of the differential depolarization index (DDI) for depolarization imaging in polarization-sensitive optical coherence tomography (PS-OCT). Unlike the widely used degree of polarization uniformity (DOPU), the DDI is independent of the incident polarization state and, therefore, more robust to varying system and sample parameters. Moreover, it can be applied to single-input-polarization-state PS-OCT systems, and it overcomes several limitations of the emerging depolarization index used in multiple-input-polarization-state systems. Our results on tissue phantoms and human skin prove that DDI yields significant depolarization contrast improvements compared to DOPU, which highlights its potential for depolarization imaging in PS-OCT. (C) 2016 Optical Society of America
机译:我们演示了差分去极化指数(DDI)在偏振敏感光学相干断层扫描(PS-OCT)中用于去极化成像的首次应用。与广泛使用的偏振均匀度(DOPU)不同,DDI与入射偏振态无关,因此,对变化的系统和样本参数具有更强的鲁棒性。而且,它可以应用于单输入偏振态PS-OCT系统,并且克服了在多输入偏振态系统中使用的新兴去极化指数的一些限制。我们在组织体模和人体皮肤上的研究结果证明,与DOPU相比,DDI可以显着改善去极化对比度,这突出了其在PS-OCT中进行去极化成像的潜力。 (C)2016美国眼镜学会

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