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    Scheme for achieving coherent perfect absorption by anisotropic metamaterials

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    oe-25-5-4860.pdf
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    Description:
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    Type
    Article
    Authors
    Zhang, Xiujuan cc
    Wu, Ying cc
    KAUST Department
    Applied Mathematics and Computational Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2017-02-22
    Online Publication Date
    2017-02-22
    Print Publication Date
    2017-03-06
    Permanent link to this record
    http://hdl.handle.net/10754/626243
    
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    Abstract
    We propose a unified scheme to achieve coherent perfect absorption of electromagnetic waves by anisotropic metamaterials. The scheme describes the condition on perfect absorption and offers an inverse design route based on effective medium theory in conjunction with retrieval method to determine practical metamaterial absorbers. The scheme is scalable to frequencies and applicable to various incident angles. Numerical simulations show that perfect absorption is achieved in the designed absorbers over a wide range of incident angles, verifying the scheme. By integrating these absorbers, we further propose an absorber to absorb energy from two coherent point sources.
    Citation
    Zhang X, Wu Y (2017) Scheme for achieving coherent perfect absorption by anisotropic metamaterials. Optics Express 25: 4860. Available: http://dx.doi.org/10.1364/oe.25.004860.
    Sponsors
    King Abdullah University of Science and Technology Baseline Research Fund.
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/oe.25.004860
    Additional Links
    https://www.osapublishing.org/oe/abstract.cfm?uri=oe-25-5-4860
    Relations
    Is Supplemented By:
    • [Dataset]
      . DOI: 10.6084/m9.figshare.c.3766640.v1 HANDLE: 10754/663937
    ae974a485f413a2113503eed53cd6c53
    10.1364/oe.25.004860
    Scopus Count
    Collections
    Articles; Applied Mathematics and Computational Science Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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