Nonlinear Imaging and Spectroscopy of Chiral Metamaterials

A chiral metamaterial produces both distinguishable linear and non‐linear reson­ant features when probed with left and right circularly polarized light. The material demonstrates a linear transmission contrast of 0.5 between left and right circular polarizations and a 20× contrast between second‐har...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2014-09, Vol.26 (35), p.6157-6162
Main Authors: Rodrigues, Sean P., Lan, Shoufeng, Kang, Lei, Cui, Yonghao, Cai, Wenshan
Format: Article
Language:English
Subjects:
chirality
Circular Dichroism
Circular polarization
Circularity
Image contrast
Metamaterials
nonlinear optics
Nonlinearity
optical activity
Optical Imaging
Polarization
Polarized light
Spectroscopy
Stereoisomerism
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Summary:A chiral metamaterial produces both distinguishable linear and non‐linear reson­ant features when probed with left and right circularly polarized light. The material demonstrates a linear transmission contrast of 0.5 between left and right circular polarizations and a 20× contrast between second‐harmonic responses from the two incident polarizations. Non‐linear and linear response images probed with circularly polarized light show strongly defined contrast.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201402293