Optical processing
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United States of America Patent
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app pub date -
Feb 22, 2005
filing date -
May 19, 1999
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Abandoned
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Abstract
A method of performing a DFT (discrete Fourier transform) or a DFT derived transform on data, comprising: providing spatially modulated light having spatial coherence, said spatially modulated light representing the data to be transformed; Fourier transforming said spatially modulated light, using an at least one optical element; and compensating for at least one of a scaling effect and a dispersion effect of said at least one optical element, using an at least one dispersive optical element.
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