Terahertz Metamaterials for Linear Polarization Conversion and Anomalous Refraction
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- 14 June 2013
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 340 (6138), 1304-1307
- https://doi.org/10.1126/science.1235399
Abstract
Converting Polarization: The conversion of a light signal from one polarization direction to another plays an important role in communication and metrology. The components that are presently used for polarization conversion, however, tend to be relatively large, which is an issue that can make it difficult to integrate with chip-scale optoelectronic circuits. Grady et al. (p. 1304 , published online 16 May) used a metasurfaces approach involving a designed array of cut wires to manipulate the polarization state of the propagating terahertz signals. Proper design of the device structure allowed for the control of the polarization conversion state for both reflected and transmitted light over a broad frequency range.Keywords
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