Observation of Rayleigh optical activity for chiral molecules: a new chiroptical tool

McArthur, Duncan; Alexakis, Emmanouil; Puente, Andrew; McGonigle, Rebecca; Love, Andrew; Polavarapu, Prasad; Barron, Laurence; Mackenzie, Lewis; Arnold, Aidan; Cameron, Robert P.

doi:10.1364/opticaopen.29637842.v2

Observation of Rayleigh optical activity for chiral molecules: a new chiroptical tool

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posted on 2025-07-28, 05:32 authored by Duncan McArthur, Emmanouil Alexakis, Andrew Puente, Rebecca McGonigle, Andrew Love, Prasad Polavarapu, Laurence Barron, Lewis Mackenzie, Aidan Arnold, Robert P. Cameron

By measuring a small circularly polarized component in the scattered light, we report the first measurements of Rayleigh optical activity (RayOA) circular intensity differentials for typical chiral molecules, namely the two enantiomers of α-pinene. Our work validates fundamental theoretical predictions made over fifty years ago and expands the chiroptical toolkit.<p></p>

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Royal Society (URF\R1\191243,URF\R\241008,RF\ERE\210170,RF\ERE\231130); EPSRC (EP/R513349/1)

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124669

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Keywords

Chirality Chiroptics Light scattering Rayleigh Brillouin Optical activity RayOA RayBOA ROA

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Optica Publishing Group Non-Exclusive License

Observation of Rayleigh optical activity for chiral molecules: a new chiroptical tool

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