scholarly journals Angular momentum separation in focused fractional vector beams for optical manipulation

2021 ◽  
Vol 29 (10) ◽  
pp. 14705
Author(s):  
Bing Gu ◽  
Yueqiu Hu ◽  
Xiaohe Zhang ◽  
Miao Li ◽  
Zhuqing Zhu ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Optical Manipulation ◽  
Vector Beams

scholarly journals Origins and demonstrations of electrons with orbital angular momentum

2017 ◽  
Vol 375 (2087) ◽  
pp. 20150434 ◽  
Author(s):  
Benjamin J. McMorran ◽  
Amit Agrawal ◽  
Peter A. Ercius ◽  
Vincenzo Grillo ◽  
Andrew A. Herzing ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Free Space ◽  
Rest Mass ◽  
Wave Functions ◽  
Matter Wave ◽  
Optical Manipulation ◽  
Electron Wave ◽  
Mechanical Wave ◽  
Twisted Light

The surprising message of Allen et al. (Allen et al. 1992 Phys. Rev. A 45 , 8185 ( doi:10.1103/PhysRevA.45.8185 )) was that photons could possess orbital angular momentum in free space, which subsequently launched advancements in optical manipulation, microscopy, quantum optics, communications, many more fields. It has recently been shown that this result also applies to quantum mechanical wave functions describing massive particles (matter waves). This article discusses how electron wave functions can be imprinted with quantized phase vortices in analogous ways to twisted light, demonstrating that charged particles with non-zero rest mass can possess orbital angular momentum in free space. With Allen et al. as a bridge, connections are made between this recent work in electron vortex wave functions and much earlier works, extending a 175 year old tradition in matter wave vortices. This article is part of the themed issue ‘Optical orbital angular momentum’.

scholarly journals Parabolic-accelerating vector waves

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Bo Zhao ◽  
Valeria Rodríguez-Fajardo ◽  
Xiao-Bo Hu ◽  
Raul I. Hernandez-Aranda ◽  
Benjamin Perez-Garcia ◽  
...  
Keyword(s):  
Degrees Of Freedom ◽  
Optical Manipulation ◽  
Laser Material Processing ◽  
Complex Vector ◽  
New Family ◽  
Vector Beams ◽  
Vortex Beams ◽  
Transverse Polarisation ◽  
Straight Lines ◽  
General Vector

Abstract Complex vector light fields have become a topic of late due to their exotic features, such as their non-homogeneous transverse polarisation distributions and the non-separable coupling between their spatial and polarisation degrees of freedom (DoF). In general, vector beams propagate in free space along straight lines, being the Airy-vector vortex beams the only known exception. Here, we introduce a new family of vector beams that exhibit novel properties that have not been observed before, such as their ability to freely accelerate along parabolic trajectories. In addition, their transverse polarisation distribution only contains polarisation states oriented at exactly the same angle but with different ellipticity. We anticipate that these novel vector beams might not only find applications in fields such as optical manipulation, microscopy or laser material processing but also extend to others.

Tailoring the Multipolar Content at Tight Focus Using Cylindrical Vector Beams with Orbital Angular Momentum

2021 ◽  
Author(s):  
Brendan M. Heffernan ◽  
Bo Xu ◽  
Kyuyoung Bae ◽  
Mark E. Siemens ◽  
Wounjhang Park ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Vector Beams ◽  
Tight Focus

Angular Momentum Characteristics of Cylindrical Vector Beams

2012 ◽  
Vol 32 (6) ◽  
pp. 0626002
Author(s):  
杨双燕 Yang Shuangyan ◽  
王婷婷 Wang Tingting ◽  
李春芳 Li Chunfang
Keyword(s):  
Angular Momentum ◽  
Vector Beams

Orbital angular momentum and highly efficient holographic generation of nondiffractive TE and TM vector beams

2015 ◽  
Vol 334 ◽  
pp. 174-183 ◽  
Author(s):  
Guadalupe Méndez ◽  
Alfonso Fernandez-Vazquez ◽  
Rafael Páez López
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Highly Efficient ◽  
Vector Beams

scholarly journals Optical separation and discrimination of chiral particles by vector beams with orbital angular momentum

2021 ◽  
Author(s):  
Manman Li ◽  
Shaohui Yan ◽  
Yanan Zhang ◽  
Xu Chen ◽  
Baoli Yao
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Vector Beams ◽  
Vortex Beams

The focused vector vortex beams can selectively trap one enantiomer at inside or outside the intensity maxima depending on the sign of the OAM.

scholarly journals The Orbital Angular Momentum Spreading for Cylindrical Vector Beams in Turbulent Atmosphere

2017 ◽  
Vol 9 (2) ◽  
pp. 1-10 ◽  
Author(s):  
Yangsheng Yuan ◽  
Ting Lei ◽  
Shecheng Gao ◽  
Xiaoyu Weng ◽  
Luping Du ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Turbulent Atmosphere ◽  
Vector Beams
Sign in / Sign up

Export Citation Format

Share Document