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Application of the three-valence model of photorefraction to rhodium-doped barium titanate

Application of the three-valence model of photorefraction to rhodium-doped barium titanate
Application of the three-valence model of photorefraction to rhodium-doped barium titanate
Small signal and light induced absorption data taken at 633 nm and 1.06 ?m for different samples of rhodium-doped barium titanate (Rh : BaTiO3) have been analysed. These data have been used in conjunction with the three-valence model theory of photorefraction to determine ND, the total amount of rhodium in each sample. It is shown that the values of ND calculated at the two wavelengths for individual samples are inconsistent with each other, although no evidence for other impurities in the samples has been observed. This indicates that a more complex theory than the three-valence model is necessary to explain the photorefractive processes in Rh : BaTiO3, and that an additional photorefractive centre may not be sufficient to account for the observed discrepancies in ND.
0950-0340
2173-2183
Corner, L.
15abd6cd-6ba9-4106-8edb-cd4c612c705d
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Damzen, M.J.
cce812a0-0634-4d11-b39e-0191ddd04d60
Corner, L.
15abd6cd-6ba9-4106-8edb-cd4c612c705d
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Damzen, M.J.
cce812a0-0634-4d11-b39e-0191ddd04d60

Corner, L., Kaczmarek, M. and Damzen, M.J. (2003) Application of the three-valence model of photorefraction to rhodium-doped barium titanate. Journal of Modern Optics, 50 (14), 2173-2183. (doi:10.1080/09500340308234569).

Record type: Article

Abstract

Small signal and light induced absorption data taken at 633 nm and 1.06 ?m for different samples of rhodium-doped barium titanate (Rh : BaTiO3) have been analysed. These data have been used in conjunction with the three-valence model theory of photorefraction to determine ND, the total amount of rhodium in each sample. It is shown that the values of ND calculated at the two wavelengths for individual samples are inconsistent with each other, although no evidence for other impurities in the samples has been observed. This indicates that a more complex theory than the three-valence model is necessary to explain the photorefractive processes in Rh : BaTiO3, and that an additional photorefractive centre may not be sufficient to account for the observed discrepancies in ND.

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Published date: September 2003

Identifiers

Local EPrints ID: 57157
URI: https://eprints.soton.ac.uk/id/eprint/57157
ISSN: 0950-0340
PURE UUID: 6dd300c6-89a7-42f9-9eb1-6a2c5da9c995

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Date deposited: 13 Aug 2008
Last modified: 13 Mar 2019 20:34

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