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Simple technique for high-order ring-mode selection in solid-state lasers

Simple technique for high-order ring-mode selection in solid-state lasers
Simple technique for high-order ring-mode selection in solid-state lasers
High-order ring-shaped laser modes are attractive for applications such as laser micromachining and optical particle trapping due to their increased transverse intensity gradients compared to a fundamental Gaussian mode of the same size. In the case of micromachining, the steeper intensity profile of a single high-order ring-mode will yield a “sharper” cutting profile, while presenting a cutting face that is spatially identical for all cutting directions. The peak of the intensity gradient for a ring-shaped Laguerre-Gaussian (LG0n) mode, when focussed to a given beam size, increases dramatically with increasing azimuthal mode order, n, so efficient high-order LG mode generation at high powers is very desirable.
Optical Society of America
Butler, Alex
e25ee865-595e-4526-ad50-8e3f77d608ee
Uren, Robin
409f690c-eb0b-42cb-b1b7-3d334211235e
Lin, Di
3ef08fd6-1606-4fcb-85ea-323c35d2b82a
Hayes, John
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Butler, Alex
e25ee865-595e-4526-ad50-8e3f77d608ee
Uren, Robin
409f690c-eb0b-42cb-b1b7-3d334211235e
Lin, Di
3ef08fd6-1606-4fcb-85ea-323c35d2b82a
Hayes, John
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Butler, Alex, Uren, Robin, Lin, Di, Hayes, John and Clarkson, W.A. (2015) Simple technique for high-order ring-mode selection in solid-state lasers. In Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015. Optical Society of America..

Record type: Conference or Workshop Item (Paper)

Abstract

High-order ring-shaped laser modes are attractive for applications such as laser micromachining and optical particle trapping due to their increased transverse intensity gradients compared to a fundamental Gaussian mode of the same size. In the case of micromachining, the steeper intensity profile of a single high-order ring-mode will yield a “sharper” cutting profile, while presenting a cutting face that is spatially identical for all cutting directions. The peak of the intensity gradient for a ring-shaped Laguerre-Gaussian (LG0n) mode, when focussed to a given beam size, increases dramatically with increasing azimuthal mode order, n, so efficient high-order LG mode generation at high powers is very desirable.

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More information

Published date: 21 June 2015
Venue - Dates: 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015, Munich, Germany, 2015-06-21 - 2015-06-25
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 391339
URI: https://eprints.soton.ac.uk/id/eprint/391339
PURE UUID: 53274c78-cc1b-4c5d-88ce-c76c905b8a26

Catalogue record

Date deposited: 20 Apr 2016 15:41
Last modified: 04 Jul 2019 16:30

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