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Discovering new properties and applications of ultrafast laser nanostructuring in transparent materials

Discovering new properties and applications of ultrafast laser nanostructuring in transparent materials
Discovering new properties and applications of ultrafast laser nanostructuring in transparent materials
In this paper we overview recent progress in ultrafast laser nanostructuring of transparent materials. A remarkable effect has also been discovered, referred to as quill or calligraphic laser writing, which reveals strong dependence of the material modification, in particular the self-assembled sub-wavelength structures in glass, on orientation of the writing direction relative to direction of the pulse front tilt. Moreover, evidence of the first order phase transition associated with self-assembled nanostructures formation was revealed and supercooled state of laser damage was observed using pulses with tilted intensity front. More recently it has been demonstrated that the tip of an ultrafast laser quill has a property that is very different from an ordinary quill. Specifically, the modification of glass can be controlled even in stationary conditions by the mutual orientation of light polarization azimuth and the pulse front tilt. More recently, the selfassembled sub-wavelength nanostructuring have been proposed for fabrication of vortex polarization converters and rewritable polarization multiplexed optical memory, where the information encoding is realized by means of two birefringence parameters, i.e. the slow axis orientation (4th dimension) and retardance (5th dimension), in addition to three spatial coordinates.
lasers, nanostructuring, polarization, glasses, laser induced damage, multiplexing, nanostructures, birefringence, computer programming, data storage
820415-820415
Juodkazis, Saulius
1204b9c5-5339-4e78-af5a-6315a7b399e9
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Gu, Min
95623915-b36d-4d8b-9ef9-1f7b7242cfae
Juodkazis, Saulius
1204b9c5-5339-4e78-af5a-6315a7b399e9
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Gecevičius, Mindaugas
271576ee-dd9d-40b3-ab2f-19686b91dc64
Kazansky, Peter G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Gu, Min
95623915-b36d-4d8b-9ef9-1f7b7242cfae

Juodkazis, Saulius, Beresna, Martynas, Gecevičius, Mindaugas, Kazansky, Peter G. and Gu, Min (2011) Discovering new properties and applications of ultrafast laser nanostructuring in transparent materials. Smart Nano-Micro Materials and Devices 2011, Australia. 04 - 11 Dec 2011. p. 820415 . (doi:10.1117/12.905364).

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper we overview recent progress in ultrafast laser nanostructuring of transparent materials. A remarkable effect has also been discovered, referred to as quill or calligraphic laser writing, which reveals strong dependence of the material modification, in particular the self-assembled sub-wavelength structures in glass, on orientation of the writing direction relative to direction of the pulse front tilt. Moreover, evidence of the first order phase transition associated with self-assembled nanostructures formation was revealed and supercooled state of laser damage was observed using pulses with tilted intensity front. More recently it has been demonstrated that the tip of an ultrafast laser quill has a property that is very different from an ordinary quill. Specifically, the modification of glass can be controlled even in stationary conditions by the mutual orientation of light polarization azimuth and the pulse front tilt. More recently, the selfassembled sub-wavelength nanostructuring have been proposed for fabrication of vortex polarization converters and rewritable polarization multiplexed optical memory, where the information encoding is realized by means of two birefringence parameters, i.e. the slow axis orientation (4th dimension) and retardance (5th dimension), in addition to three spatial coordinates.

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More information

Published date: 4 December 2011
Venue - Dates: Smart Nano-Micro Materials and Devices 2011, Australia, 2011-12-04 - 2011-12-11
Keywords: lasers, nanostructuring, polarization, glasses, laser induced damage, multiplexing, nanostructures, birefringence, computer programming, data storage
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 355722
URI: http://eprints.soton.ac.uk/id/eprint/355722
PURE UUID: fe39b03c-a1cb-4587-a479-4a9c760c05e8

Catalogue record

Date deposited: 04 Sep 2013 15:21
Last modified: 23 Aug 2019 16:30

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