用超材料驯服黑体
Taming the Blackbody with Metamaterials
摘要：
在本文中，我们证明，第一次，选择性的热发射器的超材料完美的吸收器的基础上。实验实现了一种窄带中红外热辐射源。多个超材料子晶格进一步允许构造双频带MIR发射器。通过进行发射率和吸收率的测量，我们发现，发射率和吸收率同意非常好的预测基尔霍夫定律的热辐射。我们的研究结果直接证明了超材料的巨大灵活性定制黑体发射。
英文摘要：
In this paper we demonstrate, for the first time, selective thermal emitters based on metamaterials perfect absorbers. We experimentally realize a narrow band mid-infrared (MIR) thermal emitter. Multiple metamaterial sublattices further permit construction of a dual-band MIR emitter. By performing both emissivity and absorptivity measurements, we find that emissivity and absorptivity agree very well as predicted by Kirchhoff's law of thermal radiation. Our results directly demonstrate the great flexibility of metamaterials for tailoring blackbody emission.
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