Journal
OPTICS EXPRESS
Volume 19, Issue 15, Pages 14290-14299Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.014290
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Funding
- European Union (EU)
- The Scientific and Technological Research Council of Turkey (TUBITAK) [109E301, 107A004, 107A012]
- State Planning Organization (DPT)
- Turkish Academy of Sciences
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An electrically thin chiral metamaterial structure composed of four U-shaped split ring resonator pairs is utilized in order to realize polarization rotation that is dependent on the polarization of the incident wave at 6.2 GHz. The structure is optimized such that a plane wave that is linearly polarized at an arbitrary angle is an eigenwave of the system at this frequency. The analytical relation between the incident polarization and the polarization rotation is derived using transmission matrices. Furthermore, the proposed structure exhibits an asymmetric transmission of linearly polarized waves at 6.2 GHz. Plane waves traveling in opposite but perpendicular directions to the material plane are rotated by different angles. On the other hand, four incident polarization angles have been found for the same structure, at which the transmission is symmetric. The experiment results are in good agreement with the numerical results. (C)2011 Optical Society of America
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