TITLE

Mid-infrared tunable two-dimensional Talbot array illuminator

AUTHOR(S)
Maddaloni, P.; Paturzo, M.; Ferraro, P.; Malara, P.; De Natale, P.; Gioffrè, M.; Coppola, G.; Iodice, M.
PUB. DATE
March 2009
SOURCE
Applied Physics Letters;3/23/2009, Vol. 94 Issue 12, p121105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the realization and characterization of a tunable, two-dimensional Talbot array illuminator for mid-infrared (MIR) wavelengths. A phase array, prepared by deposing tin-doped indium oxide electrodes on a square-lattice-geometry poled LiNbO3 sample, is illuminated by a difference-frequency generator emitting at 3 μm. Then, combining the electro-optic with the Talbot effect allows generation of a variety of light patterns under different values of distance and external electric field. Several potential applications with great relevance to the MIR spectral region are discussed.
ACCESSION #
37259560

 

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