G - Physics – 06 – K
Patent
G - Physics
06
K
88/98, 88/0.14
G06K 9/80 (2006.01) G02B 5/32 (2006.01) G03H 1/26 (2006.01) G06E 3/00 (2006.01) G06K 9/74 (2006.01)
Patent
CA 1324273
ABSTRACT An optical correlator system comprising a laser to generate a signal beam, a film to spatially modulate that beam, and a beam splitter to split the signal beam into two component beams. The first component beam is directed onto a first side of a multiple holographic lens, which generates from the component beam a first matrix of individually converging beams and a second matrix of individually diverging beams. The second component beam is directed onto a second side of the holographic lens, which generates from this component beam a third matrix of individually converging beams and a fourth matrix of individually diverging beams. The beams of the first and third matrices are focused by the holographic lens onto first and second matched filters, respectively, and correcting optical elements are used to focus the beams of the second and fourth matrices onto third and fourth matched filters, respectively.
608980
Grumman Aerospace Corporation
Mcfadden Fincham
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