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Ordered nano-scale domains in lithium niobate single crystals via phase-mask assisted all-optical poling

Record type: Article

We report the formation of directionally-ordered nanoscale surface domains on the +z face of undoped congruent lithium niobate single crystals by using UV illumination through a phase mask with an energy fluence between ~90mj/cm2 and 150 mJ/cm2 at lambda = 266 nm. We clearly show here that the UV-induced surface ferroelectric domains nucleate and then propagate along the maxima of laser intensity produced by the phase mask, thus enabling a degree of control over this all-optical poling process. Acid etching of the illuminated crystal faces was employed to reveal the induced domain nature and the spatial structure of the formed nanoscale domains.

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Citation

Wellington, I.T., Valdivia, C.E., Sono, T.J., Sones, C.L., Mailis, S. and Eason, R.W. (2007) Ordered nano-scale domains in lithium niobate single crystals via phase-mask assisted all-optical poling Applied Surface Science, 253, (9), pp. 4215-4219. (doi:10.1016/j.apsusc.2006.09.018).

More information

Published date: 28 February 2007
Keywords: lithium niobate, ferroelectric domain inversion, chemical etching

Identifiers

Local EPrints ID: 46923
URI: http://eprints.soton.ac.uk/id/eprint/46923
ISSN: 0169-4332
PURE UUID: 5b314a7f-8809-42ad-bdf7-ecf4dea3e649
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 09 Aug 2007
Last modified: 17 Jul 2017 15:05

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Contributors

Author: I.T. Wellington
Author: C.E. Valdivia
Author: T.J. Sono
Author: C.L. Sones
Author: S. Mailis
Author: R.W. Eason ORCID iD

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