Generation of auto-focusing vortex beam via segment vortex phase for imaging edge-enhancement
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad3786
Abstract: The auto-focusing beam based on the circular Airy beam and segmented vortex phase, termed circular Airy segmented vortex beam (CASVB), was generated. During propagation, the focusing properties of the CASVB can be flexibly tunable for… read more here.
Keywords: auto focusing; beam; vortex beam; vortex phase ... See more keywords
Ultrahigh critical current densities, the vortex phase diagram, and the effect of granularity of the stoichiometric high- T c superconductor CaKFe 4 As 4
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.2.074802
Abstract: We present a comprehensive study of the critical current densities and the superconducting vortex phase diagram in the stoichiometric superconductor CaKFe4As4 which has a critical temperature of ∼35 K. We performed detailed magnetization measurements both… read more here.
Keywords: vortex phase; superconductor; current densities; critical current ... See more keywords
A Millimeter-Wave Vortex Phase Imaging Method Developed for Lateral Resolution Enhancement
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2023.3316136
Abstract: In the present letter, a vortex phase imaging method is proposed to improve the lateral resolution of a millimeter-wave (MMW) focal plane imaging system. For the efficient transmission of vortex beams carrying different orbital angular… read more here.
Keywords: imaging method; lateral resolution; vortex phase; phase imaging ... See more keywords
Hybrid Metasurfaces With Cubic and Vortex Phase Distributions for Broadband RCS Reduction
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2025.3567515
Abstract: Based on the inspiration of Airy beam and vortex beam, this article proposes an efficient and formulaic method to achieve radar cross section (RCS) reduction for broadband and wide angle. We combine cubic phase and… read more here.
Keywords: rcs reduction; vortex phase; phase; metasurface ... See more keywords
Temporally shaped vortex phase laser pulses for two-photon excited fluorescence.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.473744
Abstract: We report temporally shaped vortex phase laser pulses for two-photon excited fluorescence of dyes. The particularly tailored pulses are generated by first utilizing a temporal pulse shaper and subsequently a two-dimensional spatial pulse shaper. Various… read more here.
Keywords: temporally shaped; two photon; vortex phase; shaped vortex ... See more keywords
Improved scattering rejection in transmissometry using image-plane vortex phase masks.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.539961
Abstract: We experimentally demonstrate a 14% improvement in the signal-to-background power ratio in a laser transmissometer by augmenting a pinhole spatial filter with a vortex phase mask and beam block combination. This study addresses the significant… read more here.
Keywords: improved scattering; optics; scattering rejection; transmissometry ... See more keywords
Statistical properties of a partially coherent vector beam with controllable spatial coherence, vortex phase, and polarization.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465274
Abstract: We report on a partially coherent radially polarized power-exponent-phase vortex (PC-RP-PEPV) beam with various distributions of intensity, controllable coherence width, vortex phase, and polarization. The statistical properties of the PC-RP-PEPV beam depend on topological charge,… read more here.
Keywords: beam; vortex phase; partially coherent; polarization ... See more keywords