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Influence of light on the coercive field of repoled strontium barium niobate (SBN); the role of secondary repoling

Influence of light on the coercive field of repoled strontium barium niobate (SBN); the role of secondary repoling
Influence of light on the coercive field of repoled strontium barium niobate (SBN); the role of secondary repoling
We have found that the application of light to strontium barium niobate (SBN) during electrical repoling stabilises the newly formed domains. This stabilisation becomes apparent when repoling the crystal back into its original domain direction as a change in the distribution of displacement current as a function of voltage. This appears to be the process underlying the other recent work in the area of optical control of domain structures for quasi phase-matching of nonlinear processes. We present an explanation for this effect in terms of the micro-domain structure of SBN. This model should aid in the search for new materials for optical periodic poling.
0003-6951
1509-1511
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020

Smith, P.G.R. and Eason, R.W. (1996) Influence of light on the coercive field of repoled strontium barium niobate (SBN); the role of secondary repoling. Applied Physics Letters, 68 (11), 1509-1511. (doi:10.1063/1.117987).

Record type: Article

Abstract

We have found that the application of light to strontium barium niobate (SBN) during electrical repoling stabilises the newly formed domains. This stabilisation becomes apparent when repoling the crystal back into its original domain direction as a change in the distribution of displacement current as a function of voltage. This appears to be the process underlying the other recent work in the area of optical control of domain structures for quasi phase-matching of nonlinear processes. We present an explanation for this effect in terms of the micro-domain structure of SBN. This model should aid in the search for new materials for optical periodic poling.

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Published date: September 1996
Additional Information: publisher= --> http://dx.doi.org/10.1063/1.117987 ; notes= --> ; auth= --> P.G.R.|Smith,R.W.|Eason,; note --> Volume => 68;

Identifiers

Local EPrints ID: 78053
URI: https://eprints.soton.ac.uk/id/eprint/78053
ISSN: 0003-6951
PURE UUID: e768aade-6436-48f8-9802-4535701bcf3f
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 17 Oct 2019 00:38

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