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UV laser induced ferroelectric domain inversion in lithium niobate single crystals

UV laser induced ferroelectric domain inversion in lithium niobate single crystals
UV laser induced ferroelectric domain inversion in lithium niobate single crystals
UV radiation in the spectral region beyond ~ 320 nm is strongly absorbed by lithium niobate single crystals. The strong absorption and the consequent localized heating of the crystal triggers physical processes which can affect the state of the material not only by changing the refractive index, as shown in the past, but also by changing its ferroelectric disposition. UV laser irradiation of the polar surfaces in particular can induce or inhibit the inversion of ferroelectric domains. A summary of these UV light induced effects and their utility in the microstructuring of this very important optical ferroelectric crystal will be presented here.
2040-8986
095601-[10pp]
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4

Mailis, S. (2010) UV laser induced ferroelectric domain inversion in lithium niobate single crystals. Journal of Optics, 12 (9), 095601-[10pp]. (doi:10.1088/2040-8978/12/9/095601).

Record type: Article

Abstract

UV radiation in the spectral region beyond ~ 320 nm is strongly absorbed by lithium niobate single crystals. The strong absorption and the consequent localized heating of the crystal triggers physical processes which can affect the state of the material not only by changing the refractive index, as shown in the past, but also by changing its ferroelectric disposition. UV laser irradiation of the polar surfaces in particular can induce or inhibit the inversion of ferroelectric domains. A summary of these UV light induced effects and their utility in the microstructuring of this very important optical ferroelectric crystal will be presented here.

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Published date: September 2010
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 177277
URI: https://eprints.soton.ac.uk/id/eprint/177277
ISSN: 2040-8986
PURE UUID: 9ec43a71-9b06-4c63-a8ae-89d75386ce14
ORCID for S. Mailis: ORCID iD orcid.org/0000-0001-8100-2670

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Date deposited: 16 Mar 2011 14:11
Last modified: 19 Jul 2019 01:08

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