Flexible chiral metamaterials in the terahertz regime: a comparative study of various designs

Five different chiral metamaterials in the terahertz (THz) regime, fabricated on fully flexible polyimide substrates, are comparatively studied via numerical calculations and experimental measurements. The chiral properties of these metamaterials, which are discussed based on their optical activity,...

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Bibliographic Details
Published inOptical materials express Vol. 2; no. 12; pp. 1702 - 1712
Main Authors Kenanakis, G., Zhao, R., Stavrinidis, A., Konstantinidis, G., Katsarakis, N., Kafesaki, M., Soukoulis, C. M., Economou, E. N.
Format Journal Article
LanguageEnglish
Published 01.12.2012
Subjects
Circular polarization
Dichroism
Filtering
Filtration
Mathematical analysis
Metamaterials
Optical activity
Wavelengths
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Summary:Five different chiral metamaterials in the terahertz (THz) regime, fabricated on fully flexible polyimide substrates, are comparatively studied via numerical calculations and experimental measurements. The chiral properties of these metamaterials, which are discussed based on their optical activity, circular dichroism, and the retrieved effective parameters, show pronounced pure optical activity (larger than 300 degree /wavelength), as well as important circular polarization generation and filtering capabilities. Negative refractive indexis also obtained for all the considered designs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.2.001702