【摘 要】
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Equipped with multiple and unique features,a terahertz absorber exhibits great potential for use in the development of communication,military,and other fields w
【机 构】
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School of Sciences, Zhejiang University of Science and Technology, Hangzhou 310023, China
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Equipped with multiple and unique features,a terahertz absorber exhibits great potential for use in the development of communication,military,and other fields where achieving perfect broadband absorption has always been a challenge.We present a metamaterial terahertz (THz) absorber comprising a cross-dipole patch,four symmetric square patches and an asymmetric open-loop patch with a good perfect absorption rate for TE and TM polarizations.The average absorption of more than 96％ occurs in the frequency range from 2.4 THz to 3.8 THz,in which the absorptance peak can reach 99.9％,as indicated by simulated results.Our design has broad potential applications in THz couplers,as well as in fields like biology and security.
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