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Information × Registration Number 0221U101889, 0118U000198 , R & D reports Title Topological properties and dynamical characteristics of structured light fields popup.stage_title Head Bekshaiev Oleksandr Ya., Registration Date 26-01-2021 Organization Odessa II Mechnikov National University popup.description2 The object of research is spatially and polarization inhomogeneous electromagnetic and light fields with a developed topological structure, in particular, vortex beams, vector beams, evanescent waves; subject of research is the topological features, singular skeleton, dynamic characteristics (DC), mechanisms of their formation, relationships and interactions, physical nature and manifestations, as well as the possibility of their application. Theoretical concepts and approaches to the formation of light fields with a complex spatial, polarization and singular structure are developed and substantiated, the laws of their transformation in the processes of propagation and diffraction and mechanisms of interaction with material objects due to internal energy flows, internal angular momentum (AM) and topological features of the fields. In particular, the theoretical tools for describing structured optical fields based on the DC and the singular field skeleton have been generalized and improved; regularities of transformations of spatial structure and DC upon diffraction of singular light beams are studied. The theory of interaction between the internal and external degrees of freedom of light beams is developed and the role of partial components of a momentum and internal AM in their propagation and diffraction is determined. The theory of the light fields’ DC in inhomogeneous and dispersive media has been developed, which is used to describe spin, momentum and reactive momentum of surface plasmon polaritons. The results will contribute to the development of a system of physical parameters for the description and characterization of light fields in spatially and spectrally inhomogeneous media, the creation of new methods of forming light fields of the desired structure, optical diagnostics, data encoding, processing and transmission, micromanipulation techniques, micro- and nanoengineering.   Product Description popup.authors Akhmerov Oleksandr Yu. Zhukov Sergiy O Kontush Sergiy M Khoroshun Ganna M Chechko Volodymyr Ye popup.nrat_date 2021-01-26 Close