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Enhancement of polarizabilities of cylinders with cylinder-slab resonances

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Scientific reports
  • 摘要:If an object is very small in size compared with the wavelength of light, it does not scatter light efficiently. It is hence difficult to detect a very small object with light. We show using analytic theory as well as full wave numerical calculation that the effective polarizability of a small cylinder can be greatly enhanced by coupling it with a superlens type metamaterial slab. This kind of enhancement is not due to the individual resonance effect of the metamaterial slab, nor due to that of the object, but is caused by a collective resonant mode between the cylinder and the slab. We show …
  • 论文类型:期刊论文
  • 卷号:5
  • 期号:1
  • 页面范围:1-6
  • 是否译文:
  • 发表时间:2015

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