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Optical Vortices and Structured Matter

Date and Time: Tuesday, March 22, 2022, 01:30pm -
Location: Zoom (

Speaker: David L. Andrews, University of East Anglia

Title: Optical Vortices and Structured Matter


The science of optical vortices has brought about a major rethink over many aspects of optics, and a substantial broadening of horizons in numerous matters concerning chirality. The simple symmetry connections that exist between spin angular momentum and circular polarisations acquire new levels of complexity in the case of structured nanoscale systems. In particular, revisiting the principles of chirally selective interactions has inspired a true renaissance of the subject area. Alongside other exciting developments in metamaterials and plasmonics, recent advances have paved the way for a fuller appreciation of the fundamental principles governing the role of chirality in its interplay between matter and light. Experimental results now add a new tier of complexity to how we have to understand the very nature of the photon.

Host:  Sang-Wook Cheong

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