Polarization singularities: Topological and dynamical aspects

OV Angelsky, II Mokhun, AY Bekshaev… - Frontiers in …, 2023 - frontiersin.org
The review describes general principles and characteristics of inhomogeneously polarized
paraxial optical fields and, especially, the polarization singularities (PSs). Main parameters …

Topological structures of energy flow: Poynting vector skyrmions

S Wang, Z Zhou, Z Zheng, J Sun, H Cao, S Song… - Physical Review Letters, 2024 - APS
Topological properties of energy flow of light are fundamentally interesting and may
introduce novel physical phenomena associated with directional light scattering and optical …

Orbital rotation without orbital angular momentum: mechanical action of the spin part of the internal energy flow in light beams

OV Angelsky, AY Bekshaev, PP Maksimyak… - Optics …, 2012 - opg.optica.org
The internal energy flow in a light beam can be divided into the “orbital” and “spin” parts,
associated with the spatial and polarization degrees of freedom of light. In contrast to the …

Correlation optics, coherence and optical singularities: Basic concepts and practical applications

OV Angelsky, AY Bekshaev, CY Zenkova… - Frontiers in …, 2022 - frontiersin.org
The main idea of this review is to trace the interrelations and inter-transitions between the
basic concepts and approaches of the correlation optics (including the light coherence) and …

Redistributing the energy flow of tightly focused ellipticity-variant vector optical fields

XZ Gao, Y Pan, GL Zhang, MD Zhao, ZC Ren… - Photonics …, 2017 - opg.optica.org
The redistribution of the energy flow of tightly focused ellipticity-variant vector optical fields is
presented. We theoretically design and experimentally generate this kind of ellipticity-variant …

Measurement of small light absorption in microparticles by means of optically induced rotation

OV Angelsky, AY Bekshaev, PP Maksimyak… - Optics …, 2015 - opg.optica.org
The absorption parameters of micro-particles have been associated with the induced spin
exerted upon the particle, when embedded in a circularly polarized coherent field. The …

Self-diffraction of continuous laser radiation in a disperse medium with absorbing particles

OV Angelsky, AY Bekshaev, PP Maksimyak… - Optics …, 2013 - opg.optica.org
We study the self-action of light in a water suspension of absorbing subwavelength particles.
Due to efficient accumulation of the light energy, this medium shows distinct non-linear …

Circular motion of particles suspended in a Gaussian beam with circular polarization validates the spin part of the internal energy flow

OV Angelsky, AY Bekshaev, PP Maksimyak… - Optics …, 2012 - opg.optica.org
Non-spherical dielectric microparticles were suspended in a water-filled cell and exposed to
a coherent Gaussian light beam with controlled state of polarization. When the beam …

Redistributing the energy flow of a tightly focused radially polarized optical field by designing phase masks

Z Man, Z Bai, S Zhang, X Li, J Li, X Ge, Y Zhang… - Optics …, 2018 - opg.optica.org
Redistributing the transverse energy flow in the focal plane of a tightly focused radially
polarized optical field is described. We develop from theory a generalized analytical model …

Spatial-frequency polarization phasometry of biological polycrystalline networks

VO Ushenko - Optical Memory and Neural Networks, 2013 - Springer
A model of generalized optic anisotropy of the fibrillar protein matrices has been suggested
and the method of Fourier polarimetry for the parameters of linear and circular birefringence …