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Intensity-dependent absorption and its modelling in infrared sensitive rhodium-doped BaTiO3

Intensity-dependent absorption and its modelling in infrared sensitive rhodium-doped BaTiO3
Intensity-dependent absorption and its modelling in infrared sensitive rhodium-doped BaTiO3
We investigated the intensity-dependent absorption coefficient of photorefractive Rh:BaTiO3 from the maximum (633 nm) to the near infra-red end (1.06 µm) of this crystal's sensitivity. A numerical photorefractive model, incorporating dual-wavelength illumination and a secondary photorefractive centre, gives good agreement with experiment and shows that such a two-centre model is sufficient to explain the results obtained in the visible and infrared wavelength region.
0030-4018
175-184
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Ross, G.W.
e881119e-2126-442e-a24d-506dac48a4a4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Ross, G.W.
e881119e-2126-442e-a24d-506dac48a4a4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020

Kaczmarek, M., Ross, G.W. and Eason, R.W. (1996) Intensity-dependent absorption and its modelling in infrared sensitive rhodium-doped BaTiO3. Optics Communications, 126 (1-3), 175-184. (doi:10.1016/0030-4018(96)00046-6).

Record type: Article

Abstract

We investigated the intensity-dependent absorption coefficient of photorefractive Rh:BaTiO3 from the maximum (633 nm) to the near infra-red end (1.06 µm) of this crystal's sensitivity. A numerical photorefractive model, incorporating dual-wavelength illumination and a secondary photorefractive centre, gives good agreement with experiment and shows that such a two-centre model is sufficient to explain the results obtained in the visible and infrared wavelength region.

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Published date: May 1996
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Identifiers

Local EPrints ID: 78372
URI: http://eprints.soton.ac.uk/id/eprint/78372
DOI: doi:10.1016/0030-4018(96)00046-6
ISSN: 0030-4018
PURE UUID: acf0fadb-e25a-43c0-a701-62355315aa9c
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:33

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Contributors

Author: M. Kaczmarek
Author: G.W. Ross
Author: R.W. Eason ORCID iD

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