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Linear control of light scattering with multiple coherent waves excitation

机译:多次相干波激励光散射的线性控制

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With the wave interferometric approach, we study how extrinsically coherent waves excitation can dramatically alter the overall scattering properties, resulting in tailoring the energy assignment between radiation and dissipation, as well as filtering multipolar resonances. As an illustration, we consider cylindrical passive systems encountered by arbitrary configurations of incident waves with various illuminating directions, phases, and intensities. With formulas for dissipation and radiation powers, we demonstrate that a coherent superposition of incident waves extrinsically interferes with the targeted channels in a desirable way. Moreover, the interferometric results can be irrespective of inherent system properties such as size, material, and structure. Our approach paves a non-invasive solution to manipulate wave-obstacle interaction at will. (C) 2019 Optical Society of America
机译:利用波干涉方法,研究外部相干的波激励如何显着改变整体散射特性,导致辐射和耗散之间的能量分配,以及过滤多极起共振。 作为图示,我们考虑由各种照明方向,阶段和强度的入射波的任意配置遇到的圆柱形无源系统。 通过用于耗散和辐射功率的公式,我们证明了入射波的相干叠加以理想的方式与靶向通道外部地干扰。 此外,干涉测量结果可以是无论尺寸,材料和结构的固有系统性质如何。 我们的方法铺设了一种非侵入性解决方案来操纵WILL的波浪障碍物相互作用。 (c)2019年光学学会

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