Optical control of domain structures in strontium barium niobate (SBN)
Optical control of domain structures in strontium barium niobate (SBN)
We investigate the use of combined optical and electrical techniques to control domain formation in ferroelectric SBN, and examine the periodic structures induced by spatially modulating the light intensity through the crystal during the electrical poling process. The role of photoexcited charges in compensating and stabilising the induced domain structures is summarised, and the importance of thermal effects established. The process of domain re-ordering is shown to be particularly sensitive to temperature changes close to a domain freezing point of SBN, which occurs near room temperature. The resulting light-induced domain re-ordering is assessed using current monitoring during the repoling process, and photorefractive two-beam coupling of the resulting structures.
Ross, Graeme W.
131c68e3-a31b-41a9-b48a-8d8fa1d44ef7
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Brown, Paul T.
87b6c27d-7b1a-4a90-bd00-53cf2daeb37e
Eason, Robert W.
e38684c3-d18c-41b9-a4aa-def67283b020
August 1996
Ross, Graeme W.
131c68e3-a31b-41a9-b48a-8d8fa1d44ef7
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Brown, Paul T.
87b6c27d-7b1a-4a90-bd00-53cf2daeb37e
Eason, Robert W.
e38684c3-d18c-41b9-a4aa-def67283b020
Ross, Graeme W., Smith, Peter G.R., Brown, Paul T. and Eason, Robert W.
(1996)
Optical control of domain structures in strontium barium niobate (SBN).
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, Denver, United States.
(doi:10.1117/12.255484).
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Conference or Workshop Item
(Paper)
Abstract
We investigate the use of combined optical and electrical techniques to control domain formation in ferroelectric SBN, and examine the periodic structures induced by spatially modulating the light intensity through the crystal during the electrical poling process. The role of photoexcited charges in compensating and stabilising the induced domain structures is summarised, and the importance of thermal effects established. The process of domain re-ordering is shown to be particularly sensitive to temperature changes close to a domain freezing point of SBN, which occurs near room temperature. The resulting light-induced domain re-ordering is assessed using current monitoring during the repoling process, and photorefractive two-beam coupling of the resulting structures.
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1247
- Author's Original
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Published date: August 1996
Venue - Dates:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, Denver, United States, 1996-08-01
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Local EPrints ID: 76870
URI: http://eprints.soton.ac.uk/id/eprint/76870
PURE UUID: 16e40de5-4e3d-4834-823e-c832a1f47b0d
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:38
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Contributors
Author:
Graeme W. Ross
Author:
Peter G.R. Smith
Author:
Paul T. Brown
Author:
Robert W. Eason
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