期刊
ACS PHOTONICS
卷 2, 期 2, 页码 200-207出版社
AMER CHEMICAL SOC
DOI: 10.1021/ph500197j
关键词
graphene; thin lenses; Fresnel zone plates
类别
资金
- Lindemann Trust Fellowship
- Leverhulme Trust
- Bureau of International Cooperation, Chinese Academy of Sciences [121D11KYSB20130013]
- Engineering and Physical Sciences Research Council [EP/K016636/1] Funding Source: researchfish
- EPSRC [EP/K016636/1] Funding Source: UKRI
Flat lenses when compared to curved surface lenses have the advantages of being aberration free, and they offer a compact design necessary for a myriad of electro-optical applications. In this paper we present flat and ultrathin lenses based on graphene, the world's thinnest known material. Monolayers and multilayers of graphene were fabricated into Fresnel zones to produce Fresnel zone plates, which utilize the reflection and transmission properties of graphene for their operation. The working of the lenses and their performance in the visible and terahertz regimes were analyzed computationally. Experimental measurements I characterize the lens in the visible regime, and a good agreement was obtained with the simulations. principle of atom thick graphene-based lenses, with perspectives for ultracompact integration. were also performed to This work demonstrates the principle of atom thick graphene-based lenses, with perspectives for ultracompact integration.
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