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Based on the theory of phase complement,an anti-cloak with circular cross section can be made invisible to an object outside its domain.As the cloak with elliptic cross section is more effective to make objects invisible than that with circular cross section,a scaled coordinate system is proposed to design equivalent materials of invisible anticloak with elliptic cross section using phase complement.The cloaks with conventional dielectric and double negative parameters are both simulated with the geometrical transformations.The results show that the cloak with elliptic cross section through phase complement can effectively hide the outside objects. 相似文献
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