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Ultrafast optical image processing based on third-harmonic generation in organic thin films
Ultrafast optical image processing based on third-harmonic generation in organic thin films
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Fuentes-Hernandez, Canek
Tseng, Shuo-Yen
Owens, Daniel T.
Kippelen, Bernard
Tseng, Shuo-Yen
Owens, Daniel T.
Kippelen, Bernard
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Abstract
We report on the use of the noncollinear third-harmonic generation in an amorphous polymer film operating in the eye safe and telecommunication compatible near-infrared range to perform ultrafast all-optical two-dimensional (2D) image processing at 1550 nm using 100 fs pulses. The background-free and nondegenerate outputs at 517 nm are easily spatially filtered and detected with low cost electronic components. We describe this Fourier transform based technique and demonstrate its application to the classical problem of 2D image recognition.
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2007-09-24
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