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Forbes, Kayn A. 
ORCID: https://orcid.org/0000-0002-8884-3496 and Green, Dale ORCID: https://orcid.org/0000-0002-2549-0486
(2024)
Topological-charge-dependent dichroism and birefringence of optical vortices.
Laser & Photonics Reviews.
ISSN 1863-8880
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Abstract
Material anisotropy and chirality produce polarization-dependent light-matter interactions. Absorption leads to linear and circular dichroism, whereas elastic forward scattering produces linear and circular birefringence. Here a form of dichroism and birefringence is highlighted whereby generic anisotropic media display locally different absorption and scattering of a focused vortex beam that depends upon the sign of the topological charge l. The light-matter interactions described in this work manifest purely through dominant electric-dipole coupling mechanisms and depend on the paraxial parameter to first-order. Previous topological-charge-dependent light-matter interactions require the significantly weaker higher-order multipole moments and are proportional to the paraxial parameter to second-order. The result represents a method of probing the nano-optics of advanced materials and the topological properties of structured light.
| Item Type: | Article |
|---|---|
| Additional Information: | Data Availability Statement: Data sharing is not applicable to this article as no new data were created or analyzed in this study. |
| Uncontrolled Keywords: | advanced materials,light-matter interactions,nano-optics,optical vortices,structured light,electronic, optical and magnetic materials,atomic and molecular physics, and optics,condensed matter physics ,/dk/atira/pure/subjectarea/asjc/2500/2504 |
| Faculty \ School: | Faculty of Science > School of Chemistry (former - to 2024) Faculty of Science > School of Physics (former - to 2024) |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 07 Aug 2024 12:30 |
| Last Modified: | 14 Aug 2024 09:30 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/96169 |
| DOI: | 10.1002/lpor.202400109 |
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