Phase singularities to polarization singularities

Ruchi, P Senthilkumaran, SK Pal - International Journal of …, 2020 - Wiley Online Library
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 …

Revealing the invariance of vectorial structured light in complex media

I Nape, K Singh, A Klug, W Buono… - Nature …, 2022 - nature.com
Optical aberrations place fundamental limits on the achievable resolution with focusing and
imaging. In the context of structured light, optical imperfections and misalignments and …

Phase Singularities to Polarization Singularities.

P Senthilkumaran, SK Pal - International Journal of Optics, 2020 - go.gale.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 …

Transmission of classically entangled beams through mouse brain tissue

S Mamani, L Shi, T Ahmed, R Karnik… - Journal of …, 2018 - Wiley Online Library
Light transmission of Laguerre‐Gaussian vector vortex beams in different local regions in
mouse brain tissue is investigated. Transmittance is measured in the ballistic and diffusive …

[HTML][HTML] Analysis of hybrid vector beams generated with a detuned Q-plate

JC Quiceno-Moreno, D Marco, MM Sánchez-López… - Applied Sciences, 2020 - mdpi.com
Featured Application Optical Communications; Snapshot Polarimetry; Micromachining;
Particle Manipulation. Abstract We use a tunable commercial liquid-crystal device tuned to a …

Tailoring arbitrary hybrid Poincaré beams through a single hologram

S Fu, Y Zhai, T Wang, C Yin, C Gao - Applied Physics Letters, 2017 - pubs.aip.org
Hybrid Poincaré beams (HPBs) are a kind of structure field with anisotropic polarizations.
Here, we demonstrate an approach to tailor HPBs with arbitrary states, through encoding a …

Kinetic analysis of pore formation in die-cast metals and influence of absolute pressure on porosity

H Cao, C Wang, Q Shan, J Che, Z Luo, L Wang… - Vacuum, 2019 - Elsevier
In vacuum die casting (V-HPDC), absolute pressure has a great influence on the porosity of
castings. We used X-ray imaging, scanning electron microscopy, and optical microscopy to …

Interaction of structured light with a chiral plasmonic metasurface: giant enhancement of chiro-optic response

IVAK Reddy, A Baev, EP Furlani, PN Prasad… - Acs …, 2018 - ACS Publications
We propose an approach to achieve giant enhancement and broad spectral tunability of the
chiro-optic response of plasmonic metasurfaces by exploiting interaction with complex light …

Majorana vortex photons a form of entangled photons propagation through brain tissue

S Mamani, L Shi, D Nolan, R Alfano - Journal of Biophotonics, 2019 - Wiley Online Library
This paper extends the concept of entangled vector vortex beams as a form of Majorana‐like
photons. Majorana photon quasi particles are introduced and attributed to a class of …

High-efficiency and flexible generation of vector vortex optical fields by a reflective phase-only spatial light modulator

MQ Cai, ZX Wang, J Liang, YK Wang, XZ Gao, Y Li… - Applied Optics, 2017 - opg.optica.org
The scheme for generating vector optical fields should have not only high efficiency but also
flexibility for satisfying the requirements of various applications. However, in general, high …