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基于光学变换理论,提出了一种新型的具有旋转和放大功能的光学变换器件,该器件可由具有正折射率参数的超常媒质实现。推导了所提出的器件材料的本构参数张量的通解表达式,并采用全波电磁仿真软件进行了仿真验证。仿真结果证实了所导出的本构参数张量的正确性,即该器件可以起到使置于内部的物体旋转和放大的效果。因此,所提出的器件将在电磁场工程等领域有潜在的应用。
Based on the optical transformation theory, a new type of optical transducer with rotation and amplification function is proposed, which can be realized by a metamaterial with positive refractive index. The generalized expression of the constitutive parameter tensor of the proposed device material is deduced and simulated by full-wave electromagnetic simulation software. The simulation results confirm the correctness of the derived constitutive parameter tensor, that is, the device can act to rotate and enlarge the object placed inside. Therefore, the proposed device will have potential applications in areas such as electromagnetic fields.