Abstract

Utilizing the diffraction property of the output light from micro/nano fibers (MNFs), a new scheme based on a MNF array to focus optical beams with subwavelength resolution in the far field is proposed. By using the three-dimensional finite-difference beam-propagation method (FD-BPM), we investigated the diffraction interference effect of the MNFs during light propagation. The numerical stimulation demonstrates a focusing spot with FWHM of 0.43λ at a distance of 9λ from the output endface of MNF array. The effects of the characteristics of the array, the MNFs, and the input optical field on focusing are analyzed in detail.

© 2009 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Modeling endface output patterns of optical micro/nanofibers

Shan-Shan Wang, Jian Fu, Min Qiu, Ke-Ji Huang, Zhe Ma, and Li-Min Tong
Opt. Express 16(12) 8887-8895 (2008)

Subwavelength focusing in the near field in mesoscale air–dielectric structures

Pei-Kuen Wei, Hsieh-Li Chou, and Yi-Chun Chen
Opt. Lett. 29(5) 433-435 (2004)

High-quality fiber microaxicons fabricated by a modified chemical etching method for laser focusing and generation of Bessel-like beams

A. Kuchmizhak, S. Gurbatov, A. Nepomniaschii, O. Vitrik, and Yu. Kulchin
Appl. Opt. 53(5) 937-943 (2014)

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

Supplementary Material (1)

» Media 1: MPG (1256 KB)     

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 (9)

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

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