Abstract

The propagation of Riemann–Silberstein (RS) vortices for Gaussian vortex beams with topological charges m=+1 through a lens is studied. It is shown that if there is an ideal lens, a RS vortex and a circular edge dislocation appear for Gaussian on-axis vortex beams, while only RS vortices take place for Gaussian off-axis vortex beams. In the presence of an astigmatic lens, there exist RS vortices but no edge dislocations for both Gaussian on-axis and off-axis beams. By varying the astigmatic coefficient, the off-axis parameter, and the propagation distance, the motion, creation, and annihilation of vortices may take place, and in the process, the total topological charge of RS vortices remains unchanged.

© 2012 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Dynamic evolution of an edge dislocation through aligned and misaligned paraxial optical ABCD systems

Hongwei Yan and Baida Lü
J. Opt. Soc. Am. A 26(4) 985-992 (2009)

Dynamic evolution of circular edge dislocations in free space and atmospheric turbulence

Jinhong Li, Penghui Gao, Ke Cheng, and Meiling Duan
Opt. Express 25(3) 2895-2908 (2017)

Free-space propagation of guided optical vortices excited in an annular core fiber

Hongwei Yan, Entao Zhang, Baoyin Zhao, and Kailiang Duan
Opt. Express 20(16) 17904-17915 (2012)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (25)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription