Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure

Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure

We report experimental evidence that electromagnetic coupling between physically separated planar metal patterns located in parallel planes provides for extremely strong polarization rotatory power if one pattern is twisted with respect to the other, creating a chiral object. In terms of a rotary po...

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Veröffentlicht in:Physical review letters 2006-10, Vol.97 (17), p.177401-177401, Article 177401
Hauptverfasser: Rogacheva, A V, Fedotov, V A, Schwanecke, A S, Zheludev, N I
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Sprache:eng
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Circular Dichroism
Electromagnetic Fields
Molecular Conformation
Stereoisomerism
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container_issue 17
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container_title Physical review letters
container_volume 97
creator Rogacheva, A V
Fedotov, V A
Schwanecke, A S
Zheludev, N I
description We report experimental evidence that electromagnetic coupling between physically separated planar metal patterns located in parallel planes provides for extremely strong polarization rotatory power if one pattern is twisted with respect to the other, creating a chiral object. In terms of a rotary power per sample thickness equal to one wavelength, the bilayered structure rotates 5 orders of magnitude stronger than a gyrotropic crystal of quartz in the visible spectrum.
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subjects Circular Dichroism
Electromagnetic Fields
Molecular Conformation
Stereoisomerism
title Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure
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