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Tunable two-dimensional hexagonal phase array in domain-engineered z-cut lithium niobate crystal

Tunable two-dimensional hexagonal phase array in domain-engineered z-cut lithium niobate crystal
Tunable two-dimensional hexagonal phase array in domain-engineered z-cut lithium niobate crystal
An optical phase array with tunable phase step is demonstrated. The phase array consists of a 2-dimensional hexagonal lattice of inverted ferroelectric domains fabricated on a z-cut lithium niobate substrate. The electro-optically tunable phase step is obtained by the application of an external electric field along the z axis of the crystal via transparent electrodes. Theoretical analysis and experimental results are presented showing that a tunable and flexible adaptive optical illuminator device can be realized by combining the electro-optic tunability with the Talbot effect. Generation of a multiplicity of light pattern is shown.
0146-9592
3164-3166
Paturzo, M.
16617f28-ca22-41d6-b3f5-41d200d78748
De Natale, P.
f041c986-6e9f-4697-81b0-002d5fc8fee2
De Nicola, S.
85dff0c3-2849-4977-8324-37a31c6cec61
Ferraro, P.
77cb5d1d-2e86-4afb-967b-a42152a3173f
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Coppola, G.
f7563d11-ff63-48e9-a054-312f5d1b5aef
Iodice, M.
ad2ccfcf-181b-4418-990d-7f2b44a1ddc9
Gioffré, M.
2c5f6929-166c-48ad-ab53-45e86a07bbfc
Paturzo, M.
16617f28-ca22-41d6-b3f5-41d200d78748
De Natale, P.
f041c986-6e9f-4697-81b0-002d5fc8fee2
De Nicola, S.
85dff0c3-2849-4977-8324-37a31c6cec61
Ferraro, P.
77cb5d1d-2e86-4afb-967b-a42152a3173f
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Coppola, G.
f7563d11-ff63-48e9-a054-312f5d1b5aef
Iodice, M.
ad2ccfcf-181b-4418-990d-7f2b44a1ddc9
Gioffré, M.
2c5f6929-166c-48ad-ab53-45e86a07bbfc

Paturzo, M., De Natale, P., De Nicola, S., Ferraro, P., Mailis, S., Eason, R.W., Coppola, G., Iodice, M. and Gioffré, M. (2006) Tunable two-dimensional hexagonal phase array in domain-engineered z-cut lithium niobate crystal. Optics Letters, 31 (21), 3164-3166. (doi:10.1364/OL.31.003164).

Record type: Article

Abstract

An optical phase array with tunable phase step is demonstrated. The phase array consists of a 2-dimensional hexagonal lattice of inverted ferroelectric domains fabricated on a z-cut lithium niobate substrate. The electro-optically tunable phase step is obtained by the application of an external electric field along the z axis of the crystal via transparent electrodes. Theoretical analysis and experimental results are presented showing that a tunable and flexible adaptive optical illuminator device can be realized by combining the electro-optic tunability with the Talbot effect. Generation of a multiplicity of light pattern is shown.

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Published date: November 2006
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 46931
URI: https://eprints.soton.ac.uk/id/eprint/46931
ISSN: 0146-9592
PURE UUID: 5c36f4d5-e92c-4fb5-8a87-35ca6edaf76e
ORCID for S. Mailis: ORCID iD orcid.org/0000-0001-8100-2670
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 24 Jul 2007
Last modified: 20 Jul 2019 01:25

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