Diffraction gratings for chiral molecules and their applications

Cameron, Robert P. and Yao, Alison and Barnett, Stephen M. (2014) Diffraction gratings for chiral molecules and their applications. Journal of Physical Chemistry A, 118 (19). pp. 3472-3478. ISSN 1520-5215

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Abstract

We suggest the use of certain readily producible types of light to exert a force that points in opposite directions for the enantiomers of a chiral molecule and propose multiple devices based upon this novel manifestation of optical activity: in particular, our discriminatory chiral diffraction grating; a device that could be employed, for example, to measure the enantiomeric excess of a sample of chiral molecules simply and to high precision. Our work is relevant for many types of molecules and our proposed devices may be realizable using currently existing technology.