Phase singularities to polarization singularities
Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
[BUKU][B] Singularities in physics and engineering
P Senthilkumaran - 2024 - iopscience.iop.org
Singularities are ubiquitous in nature and generate high levels of interest and activity among
scientists. At a singularity, a parameter of interest becomes indeterminate, a single point at …
scientists. At a singularity, a parameter of interest becomes indeterminate, a single point at …
Generation of “perfect” vortex of variable size and its effect in angular spectrum of the down-converted photons
The “perfect” vortex is a new class of optical vortex beam having ring radius independent of
its topological charge (order). One of the simplest techniques to generate such beams is the …
its topological charge (order). One of the simplest techniques to generate such beams is the …
Phase singularities to polarization singularities
P Senthilkumaran, SK Pal - International Journal of Optics, 2020 - search.proquest.com
Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …
Tailoring a complex perfect optical vortex array with multiple selective degrees of freedom
H Wang, S Fu, C Gao - Optics Express, 2021 - opg.optica.org
Optical vortex arrays (OVAs) have successfully aroused substantial interest from researchers
for their promising prospects ranging from classical to quantum physics. Previous reported …
for their promising prospects ranging from classical to quantum physics. Previous reported …
Characterization of extreme ultraviolet vortex beams with a very high topological charge
Recent developments of high harmonic generation (HHG) have enabled the production of
structured extreme-ultraviolet (EUV) ultrafast laser beams with orbital angular momentum …
structured extreme-ultraviolet (EUV) ultrafast laser beams with orbital angular momentum …
Generation, reception and separation of mixed-state orbital angular momentum vortex beams using metasurfaces
S Yu, L Li, N Kou - Optical Materials Express, 2017 - opg.optica.org
In this paper, metasurfaces are designed, fabricated and experimentally demonstrated to
transmit and receive a mixed-mode orbital angular momentum (OAM) vortex wave. Firstly …
transmit and receive a mixed-mode orbital angular momentum (OAM) vortex wave. Firstly …
Compositing orbital angular momentum beams in Bi4Ge3O12 crystal for magnetic field sensing
S Yu, F Pang, H Liu, X Li, J Yang, T Wang - Applied Physics Letters, 2017 - pubs.aip.org
The polarization states and orbital angular momentum (OAM) properties of light are of
considerable importance for several aspects of high-precision optical measurements. In this …
considerable importance for several aspects of high-precision optical measurements. In this …
Characterizing the fractional coherence vortices through the area of the intensity cross-correlation function
We have generated the fractional coherence vortices using the speckle patterns obtained
from the scattering of the fractional vortex beams. In this study, we found the topological …
from the scattering of the fractional vortex beams. In this study, we found the topological …
Zeroth-and first-order long range non-diffracting Gauss–Bessel beams generated by annihilating multiple-charged optical vortices
We demonstrate an alternative approach for generating zeroth-and first-order long range
non-diffracting Gauss–Bessel beams (GBBs). Starting from a Gaussian beam, the key point …
non-diffracting Gauss–Bessel beams (GBBs). Starting from a Gaussian beam, the key point …