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Polarization diffraction grating produced by femtosecond laser nanostructuring in glass

Polarization diffraction grating produced by femtosecond laser nanostructuring in glass
Polarization diffraction grating produced by femtosecond laser nanostructuring in glass
We demonstrate a polarization-sensitive diffractive optical element by femtosecond laser direct writing of light-induced self-assembled nano-gratings in bulk silica glass. Manipulation of the induced form birefringence is achieved by controlling the writing parameters, in particular, the polarization azimuth of the writing beam. The performance of the diffraction-based circular-polarization beam splitter agrees with the theoretical prediction. The method allows extending the operation of space-variant subwavelength gratings of beam polarization converters to the visible range.
0146-9592
1662-1664
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c

Beresna, Martynas and Kazansky, Peter G. (2010) Polarization diffraction grating produced by femtosecond laser nanostructuring in glass. Optics Letters, 35 (10), 1662-1664. (doi:10.1364/OL.35.001662).

Record type: Article

Abstract

We demonstrate a polarization-sensitive diffractive optical element by femtosecond laser direct writing of light-induced self-assembled nano-gratings in bulk silica glass. Manipulation of the induced form birefringence is achieved by controlling the writing parameters, in particular, the polarization azimuth of the writing beam. The performance of the diffraction-based circular-polarization beam splitter agrees with the theoretical prediction. The method allows extending the operation of space-variant subwavelength gratings of beam polarization converters to the visible range.

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Published date: May 2010

Identifiers

Local EPrints ID: 178617
URI: https://eprints.soton.ac.uk/id/eprint/178617
ISSN: 0146-9592
PURE UUID: 5590032a-2cf2-44b6-a74a-b1f8dff9c1ca

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Date deposited: 25 Mar 2011 09:55
Last modified: 07 Oct 2019 18:40

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