▎ 摘　　要

NOVELTY - Designing graphene terahertz broadband wave absorption device comprises obtaining constraint condition of broadband wave absorber, where the metal layer surface graphene layer/medium layer/bottom metal layer fourlayer structure is basic structure unit, determining basic structure unit number according to the absorption frequency band and the absorption efficiency, inputting the initialization resonance parameter into the intelligent-separation layer structure parameter optimization process to obtain the optimized resonance parameter, calculating the corresponding absorption frequency bands and absorption coefficients based on the optimized circuit parameter through the multi-layer film system reflection calculation method, calculating absorption coefficients of all frequency points in the absorption spectrum, and invoking equivalent resonant circuit parameter inversion program for inversion of optimized resonant parameter to obtain design parameter of absorber. USE - The method is useful for designing graphene terahertz broadband wave absorption device. ADVANTAGE - The method enables guiding the graphene Fermi level efficient control, increases the wave absorbing and controlling degree of freedom, realizes accurate window control after obtaining the initialized resonant circuit parameter, optimizes the initialization parameter by intelligent optimization algorithm to obtain the design parameter of the absorption frequency range and absorption efficiency requirement of the broadband absorber, shortens the parameter determination process of broadband wave absorber, and improves the parameter determining efficiency. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) design device of graphene terahertz broadband wave absorbing device; and (2) design structure of graphene terahertz broadband absorber.