Chiral electromagnetic fields generated by arrays of nanoslits

Hendry, E., Mikhaylovskiy, R., Barron, L., Kadodwala, M. and Davis, T.J. (2012) Chiral electromagnetic fields generated by arrays of nanoslits. Nano Letters, 12(7), pp. 3640-3644. (doi: 10.1021/nl3012787)

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Abstract

Using a modal matching theory, we demonstrate the generation of short-range, chiral electromagnetic fields via the excitation of arrays of staggered nanoslits that are chiral in two dimensions. The electromagnetic near fields, which exhibit a chiral density greater than that of circularly polarized light, can enhance the chiroptical interactions in vicinity of the nanoslits. We discuss the features of nanostructure symmetry required to obtain the chiral fields, and explicitly show how these structures can give rise to detection and characterization of materials with chiral symmetry.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kadodwala, Professor Malcolm and Barron, Professor Laurence
Authors: Hendry, E., Mikhaylovskiy, R., Barron, L., Kadodwala, M., and Davis, T.J.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Nano Letters
Publisher:American Chemical Society
ISSN:1530-6984
ISSN (Online):1530-6992
Published Online:17 May 2012

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