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Measurements of polarization-dependent angle-resolved light scattering from individual microscopic samples using Fourier transform light scattering

机译:偏振相关角分辨光散射的测量   使用傅里叶变换光散射从各个微观样品中获得

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摘要

We present a method to measure the vector-field light scattering ofindividual microscopic objects. The polarization-dependent optical field imagesare measured with quantitative phase imaging at the sample plane, and thennumerically propagated to the far-field plane. This approach allows thetwo-dimensional polarization-dependent angle-resolved light scattered patternsfrom individual object to be obtained with high precision and sensitivity.Using this method, we present the measurements of the polarization-dependentlight scattering of a liquid crystal droplet and individual silver nanowiresover scattering angles of 50{\deg}. In addition, the spectroscopic extension ofthe polarization-dependent angle-resolved light scattering is demonstratedusing wavelength-scanning illumination.
机译:我们提出一种方法来测量单个微观对象的矢量场光散射。通过定量相位成像在样品平面上测量偏振相关的光场图像,然后将其数值传播到远场平面。这种方法可以高精度和高灵敏度地获得来自单个物体的二维偏振相关的角度分辨光散射图案。使用这种方法,我们给出了液晶液滴偏振相关的光散射和单个银纳米线在散射上的测量结果。角为50 {\ deg}。另外,使用波长扫描照明来证明偏振相关的角度分辨的光散射的光谱扩展。

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