A spectral route to determining chirality

Jesper Goor Pedersen, Asger Mortensen

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Abstract

We show how one-dimensional structured media can be used to measure chirality, via the spectral shift of the photonic band gap edges. Analytically, we show that a chiral contrast can, in some cases, be mapped unto an index contrast, thereby greatly simplifying the analysis of such structures. Using this mapping, we derive a first-order shift of the band gap edges with chirality. Potentially, this effect could be used for measuring enantiomeric excess.
Original languageEnglish
JournalApplied Physics Letters
Volume95
Issue number15
Pages (from-to)151104
ISSN0003-6951
DOIs
Publication statusPublished - 2009

Bibliographical note

Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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