Omnidirectional Gaps of One-Dimensional Photonic Crystals Containing Single-Negative Materials

JIANG Hai-Tao; CHEN Hong; LI Hong-Qiang; ZHANG Ye-Wen

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Omnidirectional Gaps of One-Dimensional Photonic Crystals Containing Single-Negative Materials

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@@ We show that a one-dimensional photonic crystal containing two kinds of single-negative materials can possess an omnidirectional gap whose edges are insensitive to incident angle and polarization, owing to the unusual field configuration in the structure.In contrast to an omnidirectional gap based on a photonic gap that corresponds to zero averaged refractive index, it can be made very wide by varying the ratio of the thicknesses of two media.Moreover, it is independent of polarization under special parameters.These properties may provide a mechanism to design a broadband omnidirectional reflector with fixed bandwidth.

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《中国物理快报：英文版》 |2005年第4期|884-886|共3页
作者
JIANG Hai-Tao; CHEN Hong; LI Hong-Qiang; ZHANG Ye-Wen;
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作者单位

Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092;

Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092;

Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092;

Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092;

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正文语种 chi
中图分类物理学;
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Omnidirectional Gaps of One-Dimensional Photonic Crystals Containing Single-Negative Materials

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