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Lensless acousto-optical convolver

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Abstract

A lensless acousto-optical convolver has been realised with surface acoustic waves, which relies on a technique of polarisation discrimination detection of the diffracted light. A polariser may, then, filter the light signal directly in the Fresnel field, thus allowing realisation of a strictly compact device that retains properties of easy adjustment and simplicity.

References

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      • R. Normandin , G.I. Stegeman . Signal.processing with surface waves via the double acousto-optic interaction. J. Appl. Phys. , 2277 - 2285
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