Total absorption of light by a nanoparticle: an electromagnetic sink in the optical regime

A. Sentenac; P. C. Chaumet; G. Leuchs

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Total absorption of light by a nanoparticle: an electromagnetic sink in the optical regime

机译：纳米粒子对光的总吸收：处于光学状态的电磁吸收器

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In this Letter, we give a general description of the illumination and object properties for obtaining total absorption. We show theoretically and numerically that properly designed sub-100 nm metallic particles are able to absorb all the energy of an incident beam if the latter is adequately shaped. In addition to their interest as absorbers, these particles act as efficient near-field probes as they convert the incident propagating beam into a localized nonradiative field.

机译：在这封信中，我们对获得总吸收的照明和物体特性进行了一般性描述。我们从理论和数值上证明，如果入射束形状适当，经过适当设计的100 nm以下的金属粒子能够吸收入射束的所有能量。除了将它们用作吸收剂外，这些粒子还可以充当有效的近场探针，因为它们将入射的传播光束转换为局部非辐射场。

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《Optics Letters》 |2013年第6期|共3页
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A. Sentenac; P. C. Chaumet; G. Leuchs;
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专利

1. Total absorption of light by a nanoparticle: an electromagnetic sink in the optical regime [J] . A. Sentenac, P. C. Chaumet, G. Leuchs Optics Letters . 2013,第6期

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2. Marking slow light signals with fast optical precursors in the regime of electromagnetically induced transparency [J] . Qian-Qian Bao, Bo Fang, Xin Yang, Journal of the Optical Society of America, B. Optical Physics . 2014,第1期

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Total absorption of light by a nanoparticle: an electromagnetic sink in the optical regime

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