期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 47, 期 50, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/47/50/505104
关键词
chiral metamaterial; polarization rotation; cross-polarization conversion; asymmetric transmission; Fabry-Perot-like interference
资金
- National Natural Science Foundation of China [11174234, 51272215]
- National Key Scientific Program of China [2012CB921503]
Metamaterials with tailored electromagnetic properties present incomparable advantages in manipulation and control of electromagnetic polarization states. Here, we report a unique chiral metamaterial (CMM) composed of three layers of metasurfaces. Taking advantage of the Fabry-Perot-like interference effect, the suggested CMM is capable of achieving high-efficiency broadband or multiband cross-polarization conversion for different linearly polarized incident waves, while also showing strong asymmetric transmission effect for the opposite propagation directions. With the specially designed geometry, the present CMM can even simultaneously accomplish nearly 90 degrees-polarization rotation for both the x- and y-polarized incident waves, thereby enabling more opportunities for designing highperformance polarimetric devices.
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