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Full characterization of dichroic samples from a single measurement by circular polarization orthogonality breaking

机译:通过圆极化正交性断裂从单次测量中完全表征二向色性样品

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摘要

We report a novel method to unambiguously determine the magnitude and orientation of linear dichroism in a simultaneous way. It is based on the use of a dedicated dual-frequency dual-polarization coherent source providing two orthogonal circularly polarized modes at the output. We show that the interaction of such a beam with dichroic media gives rise to a beatnote signal whose amplitude and phase enable the full determination of the diattenuation coefficient and axis orientation, respectively. The application of this method to polarimetric imaging provides single-shot sample characterization by its diattenuation coefficient and optical axis angle, with potential applications in biomedical imaging. (C) 2015 Optical Society of America
机译:我们报告了一种新颖的方法,以一种明确的方式同时确定线性二向色性的大小和方向。它基于使用专用的双频双极化相干源,在输出端提供两个正交的圆极化模式。我们表明,这种光束与二向色性介质的相互作用会产生一个节拍信号,其振幅和相位分别能够完全确定二衰减系数和轴方向。该方法在偏振成像中的应用通过其双衰减系数和光轴角提供了单次样品表征,在生物医学成像中具有潜在的应用前景。 (C)2015年美国眼镜学会

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