期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 47, 期 7, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/0022-3727/47/7/075107
关键词
chiral metamaterials; asymmetric transmission; linear polarizer
资金
- project DPT-HAMIT
- project ESF-EPIGRAT
- TUBITAK [107A004, 109A015, 109E301]
- Turkish Academy of Sciences
- [NATO-SET-181]
We numerically and experimentally demonstrate highly asymmetric transmission of linearly polarized waves with a multilayered metallic structure. The whole structure has a subwavelength thickness and consists of a thin slab of chiral metamaterial sandwiched between two 90 degrees twisted linear polarizers. The chiral metamaterial is made of two sets of twisting cross wires that can rotate the polarization by 90 degrees at resonance, and the two linear polarizers are simple metallic grating polarizers. The operation principle of the whole structure can be well interpreted by using the Jones matrix method. Our experimental results also verify that chiral metamaterials can be safely integrated into complex structures and treated as an effective medium as long as their resonant modes are not affected by the environment.
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