期刊
SCIENTIFIC REPORTS
卷 4, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep06326
关键词
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资金
- Spanish Ministerio de Educacion y Ciencia and European FEDER [FIS2011-29734-C02-01]
- Generalitat de Catalunya [2014 SGR 95]
- European Union Structural Funds project Postdoctoral Fellowship Implementation in Lithuania
- Erasmus Mundus Doctorate Program Europhotonics
- ICREA Funding Source: Custom
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.
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