Abstract

We demonstrate the possibility of creating multiple spherical spots in a 4π focusing system with a radially polarized beam. Using spherical waves to expand the plane wave factor in the Richards–Wolf integral, it is found that a proper spatial modulation in the amplitude of the input field with radial polarization can form multiple spherical spots with a focusing system satisfying the Herschel condition. These spots are distributed symmetrically about the focus on the optical axis with variable positions and intensities. Although we consider only the case of three spherical spots in this paper, generalization to the multiple-spots case will present no difficulty.

© 2010 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Shifting the spherical focus of a 4Pi focusing system

Shaohui Yan, Baoli Yao, and Romano Rupp
Opt. Express 19(2) 673-678 (2011)

Toward a spherical spot distribution with 4π focusing of radially polarized light

Nándor Bokor and Nir Davidson
Opt. Lett. 29(17) 1968-1970 (2004)

Spherical and sub-wavelength longitudinal magnetization generated by 4π tightly focusing radially polarized vortex beams

Zhongquan Nie, Weiqiang Ding, Dongyu Li, Xueru Zhang, Yuxiao Wang, and Yinglin Song
Opt. Express 23(2) 690-701 (2015)

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 (3)

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 (15)

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