Electro-optically controlled beam switching via total internal reflection at a domain-engineered interface in LiNbO3
Electro-optically controlled beam switching via total internal reflection at a domain-engineered interface in LiNbO3
We report a novel switching method that occurs due to the electro-optic effect under applied field when a beam incident on an interface between anti-parallel domains in a sample of LiNbO3 subtends an angle greater than that required for total internal reflection (TIR). We present data obtained for wavelengths of 0.543 and 1.52µm and compare this with a theoretical model. This switch has many attractive properties, as TIR is a 100% efficient process leading to the possibility of high contrast ratios; current data shows contrast ratios greater than 100:1 (20 dB). Other properties include relatively simple fabrication procedure, low drive voltages and a wavelength dependence that is less than other electro-optic devices such as Pockels cells.
193-200
Boyland, A.J.
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Mailis, S.
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Hendricks, J.M.
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Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Eason, R.W.
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2001
Boyland, A.J.
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Hendricks, J.M.
0dc8ec2a-4a6e-415a-bb7d-417917f4f130
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Boyland, A.J., Mailis, S., Hendricks, J.M., Smith, P.G.R. and Eason, R.W.
(2001)
Electro-optically controlled beam switching via total internal reflection at a domain-engineered interface in LiNbO3.
Optics Communications, 197 (1-3), .
(doi:10.1016/S0030-4018(01)01428-6).
Abstract
We report a novel switching method that occurs due to the electro-optic effect under applied field when a beam incident on an interface between anti-parallel domains in a sample of LiNbO3 subtends an angle greater than that required for total internal reflection (TIR). We present data obtained for wavelengths of 0.543 and 1.52µm and compare this with a theoretical model. This switch has many attractive properties, as TIR is a 100% efficient process leading to the possibility of high contrast ratios; current data shows contrast ratios greater than 100:1 (20 dB). Other properties include relatively simple fabrication procedure, low drive voltages and a wavelength dependence that is less than other electro-optic devices such as Pockels cells.
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Published date: 2001
Identifiers
Local EPrints ID: 13689
URI: http://eprints.soton.ac.uk/id/eprint/13689
ISSN: 0030-4018
PURE UUID: eb4f0782-9449-4dd3-b067-c72f9a3e6336
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Date deposited: 22 Dec 2004
Last modified: 16 Mar 2024 02:49
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Author:
A.J. Boyland
Author:
S. Mailis
Author:
J.M. Hendricks
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