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27 February 2017 Searching for the helical-gradient force on chiral molecules
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Proceedings Volume 10120, Complex Light and Optical Forces XI; 101200M (2017)
Event: SPIE OPTO, 2017, San Francisco, California, United States
We investigate a force that has been predicted to discriminate molecules by their chirality when they are in the presence of an optical field with a polarization-helicity gradient. We investigate several experimental geometries for observing evidence of this force via enantiometer separation in racemic mixtures. We do this with singular-optical beams carrying a polarization helicity gradient across their transverse mode. Molecular diffusion and the dipole force – an intensity-gradient force – have so far precluded measurements of this force.
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© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. A. Jones, B. Regan, J. Painter, J. Mills, I. Dutta, B. Khajavi, and E. J. Galvez "Searching for the helical-gradient force on chiral molecules", Proc. SPIE 10120, Complex Light and Optical Forces XI, 101200M (27 February 2017);

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