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Broadband All‐Dielectric Magnifying Lens for Far‐Field High‐Resolution Imaging
Author(s) -
Jiang Wei Xiang,
Qiu ChengWei,
Han Tian Cheng,
Cheng Qiang,
Ma Hui Feng,
Zhang Shuang,
Cui Tie Jun
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201303657
Subject(s) - materials science , broadband , lens (geology) , near and far field , optics , dielectric , optoelectronics , resolution (logic) , physics , computer science , artificial intelligence
A transformation‐optics magnifying lens is reported in the microwave frequency, which is made of inhomogeneous but isotropic dielectrics to reach impedance matching. The authors demonstrate the broadband subwavelength imaging performance and magnification factor experimentally from the far‐field radiation patterns.