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Flat Focusing Mirror
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DOI：10.1038/srep06326.png)
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摘要
En 中文
The control of spatial propagation properties of narrow light beams such as divergence, focusing or imaging are main objectives in optics and photonics. In this letter, we propose and demonstrate experimentally a flat focusing mirror, based on an especially designed dielectric structure without any optical axis. More generally, it also enables imaging any light pattern in reflection. The flat focusing mirror with a transversal invariance can largely increase the applicability of structured photonic materials for light beam propagation control in small-dimension photonic circuits.
Keyword:
NEGATIVE REFRACTION
DISPERSION CONTROL
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期刊
IF:
3.9
论文数:
28.0W
被引数:
83.5W
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引用论文
Broadband Focusing Flat Mirrors Based on Plasmonic Gradient Metasurfaces基于等离子体梯度超表面的宽带聚焦平面镜.png)
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NANO LETTERSIF9.1
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