期刊
OPTICS EXPRESS
卷 17, 期 26, 页码 23410-23416出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.17.023410
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资金
- National High-Technology Research and Development Program of China [2006AA03A209]
- National Defense Basic Research [D1420061057]
- Fok Ying Tung Education Foundation [101049]
- Ministry of education of China [PCSIRT0644]
A near-perfect, non-singular cylindrical invisibility cloak with diamond cross section is achieved by a two-step coordinate transformation. A small line segment is stretched and then blown up into a diamond space, and finally the cloak consisting of four kinds and eight blocks of homogeneous transformation media is obtained. Numerical simulations confirm the well performance of the cloak. The operation bandwidth of the cloak is also investigated. Our scheme is promising to create a simple and well-performed cloak in practice. (C) 2009 Optical Society of America
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