Modified compact 2f optical correlator

Details Modified compact 2f optical correlator Modified compact 2f optical correlator

1990-03-30

1991-05-21

Arnold, Bruce Y.

Boots, shoes, and leggings

35016215, 364822, G02B 2746, G06K 900

Patent

active

050169769

ABSTRACT:
A modified 2f Fourier transform optical correlator combines a collimation and first Fourier Transform lens into one thin lens. The resulting correlator thus utilizes one less lens relative to the unmodified 2f optical correlator.

REFERENCES:
patent: 3240108 (1966-03-01), Lehan et al.
patent: 3630596 (1971-12-01), Watkins
patent: 3809478 (1974-05-01), Talbot
patent: 4588260 (1986-05-01), Horner
patent: 4765714 (1988-08-01), Horner et al.
Flavin, Mary A. et al., "Amplitude Encoded Phase-Only Filters", Applied Optics, vol. 28, No. 9, May 1, 1989, pp. 1692-1696.

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