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针对超材料透波隐身套厚度大的问题,提出了基于表面等离激元的超薄隐身套,通过超材料套层将入射电磁波耦合为表面等离激元波并传输至障碍物后方,实现超薄透波隐身。设计了基于开口谐振环的表面等离激元耦合层,将其包覆在金属圆柱表面,制作了基于表面等离激元的超薄隐身套原理样件并进行了对比测试。实验结果表明,该隐身套在其厚度仅为工作波长的1/30时具有良好的绕行透波性能。
Aimed at the problem of large thickness of transillumination stealth jacket, a super thin stealth jacket based on surface plasmon is proposed. The incident electromagnetic wave is coupled into the surface plasmon wave through the metamaterial jacket and is transmitted to the rear of the obstacle. Slim transparent wave stealth. A surface plasmon coupling layer based on an open-ended resonant ring was designed and coated on the surface of a metal cylinder. The principle sample of the ultrathin stealth sleeve based on the surface plasmon was fabricated and compared. The experimental results show that the stealth sleeve has a good capability of bypassing the wave when its thickness is only 1/30 of the working wavelength.