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- W4321844234 abstract "In this work, the design of broadband wide angle polarization insensitive metamaterial (MM) electromagnetic wave (EM) absorbers for K band frequency applications is investigated. The unit cell of the metamaterial absorber consists of four 90 degree rotated L shaped metallic patches imprinted on a dielectric substrate backed by a metallic sheet. The four fold symmetry of the design yields polarization insensitive characteristics. More than 90% absorptivity has been achieved from 22.56 GHz to 29.29 GHz having wide fractional bandwidth of 25.83 % (6.73 GHz). The unit cell structure has peak absorptivity of 98.75%, 99.12%, and 97.73% at frequencies 24.94 GHz, 26.66 GHz, and 28.29 GHz, respectively. The proposed design can effectively absorb more than 90% of Transverse Electric (TE) and Transverse Magnetic (TM) waves from any direction at normal incidence. For a wide angle of oblique incidence to TE wave, absorber has shown more than 75% absorption up to 0 = 60 degree while for TM wave, more than 50% absorption up to 0= 50 degree has been observed. Broadband response with good polarization insensitivity at normal and oblique incidence makes it commercially suitable for the applications of K band." @default.
- W4321844234 created "2023-02-25" @default.
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- W4321844234 date "2022-12-12" @default.
- W4321844234 modified "2023-09-28" @default.
- W4321844234 title "Broad Band Polarization Insensitive Metamaterial Absorber for K Band Application" @default.
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- W4321844234 doi "https://doi.org/10.1109/mapcon56011.2022.10047816" @default.
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