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Creating all-angle negative refraction by using insertion

delete2005-03-14
delete34
PRE
AI
张
张向东 (Xiangdong Zhang)
L
Lie-Ming Li
DOI：10.1063/1.1887838delete
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Abstract

Abstract

En 中文
The all-angle negative refraction (AANR) is generally very important to design a microsuperlens. However, it is usually absent from some two-dimensional (2D) photonic crystals (PCs). In this letter, we present a method to create and enlarge the AANR region by using insertion. For some 2D dielectric PC systems without the AANR, the AANR region can be created by adding a fraction of a metallic component to the center of each dielectric cylinder. At the same time, the AANR region can be enlarged by adjusting the size of the metal cylinder. To illustrate this phenomenon, the microsuperlens is designed and numerically demonstrated. (C) 2005 American Institute of Physics.
Keywords:
PHOTONIC BAND-GAP
CRYSTALS
INDEX
LENS
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

Applied Physics Letters cover
Applied Physics Letters
IF:
3.6
Papers:
10.4W
Citations:
17.8W

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