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Opt Lett. 2007 Sep 1;32(17):2599-601.

Compact and self-aligned all-optical image correlator based on third-harmonic generation.

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1
Center for Organic Photonics and Electronics, School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.

Abstract

We demonstrate a compact optical correlator using a diffractive optical element (DOE) beam splitter for 2D optical image processing. Image frequency conversion and correlation are demonstrated using third-harmonic generation (THG) in an organic film with a 1550 nm femtosecond laser. Spatial and temporal alignment of the femtosecond pulses are obtained by imaging the DOE onto the organic film.

PMID:
17767318
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