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Extraordinary anisotropy of ultrafast laser writing in glass

Extraordinary anisotropy of ultrafast laser writing in glass
Extraordinary anisotropy of ultrafast laser writing in glass
The unusual dependence of femtosecond laser writing on the light polarization and direction of raster scanning is demonstrated in silica and chalcogenide glasses. Two different mechanisms contributing to the observed anisotropy are identified: the chevron-shaped stress induced by the sample movement and the pulse front tilt of ultrashort light pulse. Control of anisotropies associated with the spatio-temporal asymmetry of an ultrashort pulse beam and scanning geometry is crucial in the ultrafast laser machining of transparent materials.
1094-4087
3959-3968
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Zhang, Jingyu
de184393-56fd-4f4d-8019-ae76b3f14b54
Yang, Weijia
ecad1a03-22e3-4a91-b6e6-a5f8660e2ab4
Takebe, Hiromichi
44cd8a67-eea3-46fa-91f6-80fcc386afbe
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Zhang, Jingyu
de184393-56fd-4f4d-8019-ae76b3f14b54
Yang, Weijia
ecad1a03-22e3-4a91-b6e6-a5f8660e2ab4
Takebe, Hiromichi
44cd8a67-eea3-46fa-91f6-80fcc386afbe
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c

Gecevičius, Mindaugas, Beresna, Martynas, Zhang, Jingyu, Yang, Weijia, Takebe, Hiromichi and Kazansky, Peter G. (2013) Extraordinary anisotropy of ultrafast laser writing in glass. Optics Express, 21 (4), 3959-3968. (doi:10.1364/OE.21.003959).

Record type: Article

Abstract

The unusual dependence of femtosecond laser writing on the light polarization and direction of raster scanning is demonstrated in silica and chalcogenide glasses. Two different mechanisms contributing to the observed anisotropy are identified: the chevron-shaped stress induced by the sample movement and the pulse front tilt of ultrashort light pulse. Control of anisotropies associated with the spatio-temporal asymmetry of an ultrashort pulse beam and scanning geometry is crucial in the ultrafast laser machining of transparent materials.

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Published date: 2013
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 356336
URI: http://eprints.soton.ac.uk/id/eprint/356336
ISSN: 1094-4087
PURE UUID: 87878c54-b836-4b68-b405-7717a37d4aee

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Date deposited: 12 Sep 2013 16:55
Last modified: 16 Jul 2019 21:24

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Contributors

Author: Mindaugas Gecevičius
Author: Jingyu Zhang
Author: Weijia Yang
Author: Hiromichi Takebe

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