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Beating diffraction limit in an absorptive superlens
- 发表刊物：Bulletin of the American Physical Society
- 摘要：It is well known that a slab with both permittivity and permeability equals-1+ iδ can achieve super resolution and its mechanism can be understood with the idea of complementary material. In practice, meta-materials are always absorptive and the absorption sets an upper limit for the image resolution. Here, we study the image formation of stratified complementary slabs in the time domain. Instead of only one slab of super lens, we consider a stack of AB structured complementary slabs, where A is a super lens and B is normal material. We show that the superlens stack can beat the diffraction …
- 卷号：58
- 是否译文：否
- 发表时间：2013-03-18
