Search results
-
-
Title
-
High order plasmonic vortex generation based on spiral nanoslits
-
Author
-
Gbur, Greg, Yu, Jiayi, Fang, Jing, Cai, Yangjian
-
Date Created
-
2021
-
Subjects--Topical
-
Physics, Optics
-
Description
-
Highly localized plasmonic vortices carrying orbital angular momentum are of importance for many applications. Yet, it is a challenge to generating plasmonic vortex with a high topological charge because of no available technique. Here, a novel pl...
-
-
Title
-
Partially coherent radially polarized fractional vortex beam
-
Author
-
Gbur, Greg, Zeng, Jun, Liang, Chunhao, Cai, Yangjian
-
Date Created
-
2020
-
Subjects--Topical
-
Physics, Optics
-
Description
-
A new kind of partially coherent vector beam, named a partially coherent radially polarized fractional vortex (PCRPFV) beam, is introduced as a natural extension of the recently introduced scalar partially coherent fractional vortex beams [Zeng et...
-
-
Title
-
Propagation of radially polarized Hermite non-uniformly correlated beams in a turbulent atmosphere
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Lin, Rong
-
Date Created
-
2020
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We study the propagation properties of a recently introduced class of structured beams, radially polarized Hermite non-uniformly correlated (RPHNUC) beams, in a turbulent atmosphere using the extended Huygens-Fresnel integral and investigate how t...
-
-
Title
-
Rectangular Hermite non-uniformly correlated beams and its propagation properties
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian
-
Date Created
-
2018
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We introduce a new class of non-uniformly correlated beams that are called rectangular Hermite non-uniformly correlated (RHNUC) beams, which possess rectangular symmetry in their degree of coherence. It is shown that, in free space and in turbulen...
-
-
Title
-
Scintillation properties of a partially coherent vector beam with vortex phase in turbulent atmosphere
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Huang, Yan
-
Date Created
-
2019
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We undertake a computational and experimental study of an advanced class of structured beams, partially coherent radially polarized vortex (PCRPV) beams, on propagation through atmospheric turbulence. A computational propagation model is establish...
-
-
Title
-
Spiral spectrum of a Laguerre-Gaussian beam propagating in anisotropic non-Kolmogorov turbulent atmosphere along horizontal path
-
Author
-
Gbur, Greg, Zeng, Jun, Liu, Xianlong, Cai, Yangjian
-
Date Created
-
2019
-
Subjects--Topical
-
Physics, Optics
-
Description
-
Close to the ground, it is generally known that atmospheric turbulence exhibits strong anisotropy, which affects the performance of applications such as free-space optical (FSO) communication. In this paper, we establish a theoretical model for ca...
-
-
Title
-
The evolution of spectral intensity and orbital angular momentum of twisted Hermite Gaussian Schell model beams in turbulence
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Lin, Rong
-
Date Created
-
2020
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We introduce a new class of twisted partially coherent beams with a non-unifirm correlation structure. These beams, called twisted Hermite Gaussian Schell model (THGSM) beams, have a correlation structure related to Hermite functions and a twist f...
