Multi-layer meta-surface design with reconfigurable operating frequency
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Nanjing University of Information Science and Technology,Nanjing 210044, China

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TN820

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    Abstract:

    To cope with the increasingly complex communication environment requirements of modern communication systems and fully use limited spectrum resources, this paper proposes a design that uses a meta-surface structure combined with active devices PIN diodes and varactor diodes to achieve dual polarization functional frequency independence—reconfigurable multi-modal features. Different from the traditional multi-mode structure, this design uses PIN diodes to control the transmission and reflection states of dual-polarized waves independently and uses varactor diodes to achieve dynamic frequency modulation of the dual-polarized wave transmission window, enabling switching of 9 working modes. In the static state, this design can independently control the transmission and reflection of TE and TM polarized waves; switching to the dynamic state and regulating the polarized waves adds an independent tuning TE or TM polarized wave transmission window offset. function. Each mode is independent of each other and has good mode compatibility. In addition, this design shows good angular stability in the incident angle range of 0°~45°. Experimental verification using the electromagnetic simulation software CST proves the reliability of this design and shows that it has broad application prospects in radomes and signal multi-frequency transmission.

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  • Received:
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  • Online: July 10,2024
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