Abstract

AbstractIn this letter, a composite energy selective surface (CESS) using diode to induce VO2 is proposed. The CESS is composed of periodic metal meshes connected with PIN diodes and VO2 in rows and the CESS is embedded in a metal window. VO2 can be induced by using the properties of uneven distribution of induced electric field on the CESS and the conduction field of diode is smaller than that of VO2, so as to reduce the metal‐insulator transition field of it. When the shielding efficiency (SE) reaches 10 dB, the incident field of CESS would be reduced by 72.95% compared with the ESS using VO2 (V‐ESS). Meanwhile, compared with the ESS using diode (D‐ESS), the number of diode in CESS is reduced by 92%, greatly reducing the manufacturing cost. Furthermore, the design of CESS with different incident field when SE reaches 10 dB can be realized more flexibly according to different structures, while the maximum SE can reach 20.94 dB.

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