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

Ordered nano-scale domains in lithium niobate single crystals via phase-mask assisted all-optical poling
Ordered nano-scale domains in lithium niobate single crystals via phase-mask assisted all-optical poling
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.
lithium niobate, ferroelectric domain inversion, chemical etching
0169-4332
4215-4219
Wellington, I.T.
7818f50a-3d6c-480d-846a-6e2a24340e4a
Valdivia, C.E.
d9e77b23-1e72-4302-a11c-e6af43f0e518
Sono, T.J.
75e20011-f3af-4fb3-8dd4-f0cd05a840b3
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Wellington, I.T.
7818f50a-3d6c-480d-846a-6e2a24340e4a
Valdivia, C.E.
d9e77b23-1e72-4302-a11c-e6af43f0e518
Sono, T.J.
75e20011-f3af-4fb3-8dd4-f0cd05a840b3
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020

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), 4215-4219. (doi:10.1016/j.apsusc.2006.09.018).

Record type: Article

Abstract

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

Local EPrints ID: 46923
URI: http://eprints.soton.ac.uk/id/eprint/46923
DOI: doi:10.1016/j.apsusc.2006.09.018
ISSN: 0169-4332
PURE UUID: 5b314a7f-8809-42ad-bdf7-ecf4dea3e649
ORCID for S. Mailis: ORCID iD orcid.org/0000-0001-8100-2670
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 09 Aug 2007
Last modified: 16 Mar 2024 02:38

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Contributors

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

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