Measures of chirality and angular momentum in the electromagnetic field

Andrews, David L. and Coles, Matt M. (2012) Measures of chirality and angular momentum in the electromagnetic field. Optics Letters, 37 (15). pp. 3009-3011. ISSN 0146-9592

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Abstract

It is shown that prominent measures of the helicity of chiral electromagnetic radiation have a common basis, in differences between the populations of optical modes associated with angular momenta of opposite sign. The analysis helps to develop the interpretation of chiroptical phenomena in which such metrics have been treated as representing physically distinct “superchiral” phenomena. Constructing theory with due cognizance of photonic character, it emerges only that the spin angular momentum of light is engaged in such observations. In consequence, the term “superchiral” is redundant.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Users 2731 not found.
Date Deposited: 14 Jan 2013 14:46
Last Modified: 09 Nov 2022 12:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/40734
DOI: 10.1364/OL.37.003009

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