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Radially polarized optical vortex converter created by femtosecond laser nanostructuring of glass

Radially polarized optical vortex converter created by femtosecond laser nanostructuring of glass
Radially polarized optical vortex converter created by femtosecond laser nanostructuring of glass
We demonstrate the generation of optical vortices with radial or azimuthal polarization using a space variant polarization converter, fabricated by femtosecond laser writing of self-assembled nanostructures in silica glass. Manipulation of the induced form birefringence is achieved by controlling writing parameters, in particular, the polarization azimuth of the writing beam. The fabricated converter allows switching from radial to azimuthal polarization by controlling the handedness of incident circular polarization.
0003-6951
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Gertus, Titas
890a24d4-0399-45e6-8956-b85498d054d2
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Gertus, Titas
890a24d4-0399-45e6-8956-b85498d054d2

Beresna, Martynas, Gecevičius, Mindaugas, Kazansky, Peter G. and Gertus, Titas (2011) Radially polarized optical vortex converter created by femtosecond laser nanostructuring of glass. Applied Physics Letters, 98 (20). (doi:10.1063/1.3590716).

Record type: Article

Abstract

We demonstrate the generation of optical vortices with radial or azimuthal polarization using a space variant polarization converter, fabricated by femtosecond laser writing of self-assembled nanostructures in silica glass. Manipulation of the induced form birefringence is achieved by controlling writing parameters, in particular, the polarization azimuth of the writing beam. The fabricated converter allows switching from radial to azimuthal polarization by controlling the handedness of incident circular polarization.

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More information

e-pub ahead of print date: 16 May 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 201151
URI: https://eprints.soton.ac.uk/id/eprint/201151
ISSN: 0003-6951
PURE UUID: d5983ac9-ec51-4eea-be0c-e56e1db37e5d

Catalogue record

Date deposited: 28 Oct 2011 10:26
Last modified: 22 Aug 2019 16:30

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