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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 21 — Nov. 1, 2006
  • pp: 3164–3166

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

M. Paturzo, P. De Natale, S. De Nicola, P. Ferraro, S. Mailis, R. W. Eason, G. Coppola, M. Iodice, and M. Gioffré  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3164-3166 (2006)
http://dx.doi.org/10.1364/OL.31.003164


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Abstract

An optical phase array with tunable phase step is demonstrated. The phase array consists of a two-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 patterns is shown.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: June 30, 2006
Manuscript Accepted: August 16, 2006
Published: October 11, 2006

Citation
M. Paturzo, P. De Natale, S. De Nicola, P. Ferraro, S. Mailis, R. W. Eason, G. Coppola, M. Iodice, and M. Gioffré, "Tunable two-dimensional hexagonal phase array in domain-engineered Z-cut lithium niobate crystal," Opt. Lett. 31, 3164-3166 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-21-3164

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