Journal
OPTICS EXPRESS
Volume 17, Issue 22, Pages 19656-19661Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.019656
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Funding
- National Natural Science Foundation of China [60861002]
- Yunnan Province for Middle-aged and Young Leaders of Disciplines in Science and Technology [2008PY031]
- Ministry of Education of China [208133]
- Natural Science Foundation of Yunnan Province [2007F005M]
- Research Foundation of Education Bureau of Yunnan Province [07Z10875]
- National Basic Research Program of China [2007CB613606]
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The electromagnetic concentrators play an important role in the harnessing of light in solar cells or similar devices, where high field intensities are required. The material parameters for two-dimensional (2D) metamaterial-assisted electromagnetic concentrators with arbitrary geometries are derived based on transformation-optical approach. Enhancements in field intensities of the 2D concentrator have been shown by full-wave simulation. All theoretical and numerical results validate the material parameters for the 2D concentrator with irregular cross section we developed. (C) 2009 Optical Society of America
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