Cameron, R. P. and MacKinnon, N. (2018) Linear Rayleigh and Raman scattering to the second order: Analytical results for light scattering by any scatterer of size k0d ≤ 1/10. Physical Review A: Atomic, Molecular and Optical Physics, 98, 013814. (doi: 10.1103/PhysRevA.98.013814)
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Abstract
We extend the usual multipolar theory of linear Rayleigh and Raman scattering to include the second-order correction. The new terms promise a wealth of information about the shape of a scatterer and yet are insensitive to the scatterer's chirality. Our extended theory might prove especially useful for analysing samples in which the scatterers have non-trivial shapes but no chiral preference overall, as the zeroth-order theory offers little information about shape and the first-order correction is often quenched for such samples. A basic estimate suggests that our extended theory can be applied to a scatterer as large as k0d ~ 1/10 with less than ~ 0.1% error resulting from the neglect of the third- and higher-order corrections. Our results are entirely analytical.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | MacKinnon, Neel and Cameron, Dr Robert |
| Authors: | Cameron, R. P., and MacKinnon, N. |
| College/School: | College of Science and Engineering College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review A: Atomic, Molecular and Optical Physics |
| Publisher: | American Physical Society |
| ISSN: | 1050-2947 |
| ISSN (Online): | 1094-1622 |
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