Enhanced circular  dichroism via slow  light in dispersive  structured media

Jesper Goor Pedersen; Asger Mortensen

doi:10.1063/1.2814937

Enhanced circular dichroism via slow light in dispersive structured media

Jesper Goor Pedersen, Asger Mortensen

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Abstract

Circular dichroism (CD) is in widespread use as a means of determining enantiomeric excess. We show how slow-light phenomena in dispersive structured media allow for a reduction in the required optical path length of an order of magnitude. The same ideas may be used to enhance the sensitivity of CD measurements while maintaining the same optical path length through the sample. Finally, the sensitivity may be enhanced in frequency regimes where CD data are typically not accessible due to a modest chiral response of the enantiomers. ©2007 American Institute of Physics

Original language	English
Journal	Applied Physics Letters
Volume	91
Issue number	21
Pages (from-to)	213501
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.2814937
Publication status	Published - 2007

Bibliographical note

Copyright (2007) 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.

Keywords

A-CHIP APPLICATIONS
OPTICS

Access to Document

10.1063/1.2814937

JesperFinal published version, 225 KB

http://link.aip.org/link/APPLAB/v91/i21/p213501/s1

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abstract = "Circular dichroism (CD) is in widespread use as a means of determining enantiomeric excess. We show how slow-light phenomena in dispersive structured media allow for a reduction in the required optical path length of an order of magnitude. The same ideas may be used to enhance the sensitivity of CD measurements while maintaining the same optical path length through the sample. Finally, the sensitivity may be enhanced in frequency regimes where CD data are typically not accessible due to a modest chiral response of the enantiomers. {\textcopyright}2007 American Institute of Physics",

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N2 - Circular dichroism (CD) is in widespread use as a means of determining enantiomeric excess. We show how slow-light phenomena in dispersive structured media allow for a reduction in the required optical path length of an order of magnitude. The same ideas may be used to enhance the sensitivity of CD measurements while maintaining the same optical path length through the sample. Finally, the sensitivity may be enhanced in frequency regimes where CD data are typically not accessible due to a modest chiral response of the enantiomers. ©2007 American Institute of Physics

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