Discriminating between Coherent and Incoherent Light with Planar Metamaterials.,Nano Letters

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Discriminating between Coherent and Incoherent Light with Planar Metamaterials.
Nano Letters ( IF 9.6 ) Pub Date : 2019-09-24 , DOI: 10.1021/acs.nanolett.9b02094
T Frank _{1,

2} , O Buchnev _{2,

3} , T Cookson ₁ , M Kaczmarek ₁ , P Lagoudakis ₁ , V A Fedotov _{2,

3}

Affiliation

Planar metamaterials represent a powerful paradigm of optical engineering, which enables one to control the flow of light across structured material interfaces in the absence of high-order diffraction modes. We report on a discovery that planar metamaterials of a certain type, formed by nanopatterned metal films, respond differently to spatially coherent and incoherent light, enabling robust speckle-free discrimination between different degrees of light coherence. The effect has no direct analogue in natural optical materials and may find applications in nanoscale metadevices enhancing imaging, vision, detection, communication, and metrology.

中文翻译：

用平面超材料区分相干光和非相干光。

平面超材料代表了光学工程学的强大范式，它使人们能够在没有高阶衍射模式的情况下控制光在结构化材料界面上的流动。我们报告了一项发现，即由纳米图案化的金属膜形成的某种类型的平面超材料对空间相干和非相干光的响应不同，从而能够在不同程度的光相干性之间实现强大的无斑点区分。该效应在天然光学材料中没有直接的类似物，可能会在增强成像，视觉，检测，通信和计量学的纳米级元设备中找到应用。

更新日期：2019-09-25

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