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Alexey P. Slobozhanyuk, Mikhail Lapine, David A. Powell, Ilya V. Shadrivov, Yuri S. Kivshar, Ross C. McPhedran and Pavel A. Belov Flexible Helices for Nonlinear Metamaterials Advanced Materials 25

Article first published online: 21 MAY 2013 | DOI: 10.1002/adma.201300840

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The successful fabrication and experimental verification of a novel metamaterial based on flexible metallic helices is reported. The helices undergo compression under the influence of incident radiation, demonstrating a nonlinear chiral electromagnetic response, associated with the power-dependent change in the helix pitch. This design is promising for application to power-dependent polarization rotation of propagating waves.

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