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Fourier-transform light scattering of individual colloidal clusters

机译:单个胶体簇的傅里叶变换光散射

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摘要

We present measurements of the scalar-field light scattering of individual dimer, trimer, and tetrahedron shapes among colloidal clusters. By measuring the electric field with quantitative phase imaging at the sample plane and then numerically propagating to the far-field scattering plane, the two-dimensional light-scattering patterns from individual colloidal clusters are effectively and precisely retrieved. The measured scattering patterns are consistent with simulated patterns calculated from the generalized multiparticle Mie solution.
机译:我们提出了胶体簇中单个二聚体,三聚体和四面体形状的标量场光散射的测量。通过在样品平面上用定量相位成像测量电场,然后在数值上传播到远场散射平面,可以有效而精确地检索来自单个胶体簇的二维光散射图案。测得的散射图与从广义多粒子Mie溶液计算得出的模拟图一致。

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