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Nanoscale roughness micromilled silica evanescent refractometer

Nanoscale roughness micromilled silica evanescent refractometer
Nanoscale roughness micromilled silica evanescent refractometer
In this Letter, we report a novel approach for directly exciting the lowest-order Laguerre-Gaussian (LG01) donut mode with controllable handedness of the helical phase front trajectory in an end-pumped solid-state laser. Our approach is based on the use of a novel mode selection element consisting of two nanoscale thickness aluminum stripes to provide discrimination between LG01 modes with opposite handedness. This scheme has been applied to a diode-pumped Nd:YAG laser to generate and switch between LG01 modes with opposite handedness at output powers ~1 W at 1064 nm.
1094-4087
1005-1014
Carpenter, Lewis
0daa548e-0d42-4b06-b914-45bfbec41759
Cooper, Peter
29354b98-c117-4ace-9ca4-1d3ad531485f
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
Gawith, Corin B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Gates, James C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Carpenter, Lewis
0daa548e-0d42-4b06-b914-45bfbec41759
Cooper, Peter
29354b98-c117-4ace-9ca4-1d3ad531485f
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
Gawith, Corin B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Gates, James C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6

Carpenter, Lewis, Cooper, Peter, Holmes, Christopher, Gawith, Corin B.E., Gates, James C. and Smith, Peter G.R. (2015) Nanoscale roughness micromilled silica evanescent refractometer. Optics Express, 23 (2), 1005-1014. (doi:10.1364/OE.23.001005).

Record type: Article

Abstract

In this Letter, we report a novel approach for directly exciting the lowest-order Laguerre-Gaussian (LG01) donut mode with controllable handedness of the helical phase front trajectory in an end-pumped solid-state laser. Our approach is based on the use of a novel mode selection element consisting of two nanoscale thickness aluminum stripes to provide discrimination between LG01 modes with opposite handedness. This scheme has been applied to a diode-pumped Nd:YAG laser to generate and switch between LG01 modes with opposite handedness at output powers ~1 W at 1064 nm.

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More information

Accepted/In Press date: 22 December 2014
e-pub ahead of print date: 16 January 2015
Published date: 26 January 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 375052
URI: https://eprints.soton.ac.uk/id/eprint/375052
ISSN: 1094-4087
PURE UUID: 909d4fa5-f13f-4e74-ad0c-7db98762244b
ORCID for Corin B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for James C. Gates: ORCID iD orcid.org/0000-0001-8671-5987

Catalogue record

Date deposited: 10 Mar 2015 16:57
Last modified: 20 Jul 2019 01:08

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Contributors

Author: Lewis Carpenter
Author: Peter Cooper
Author: James C. Gates ORCID iD

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