Reflective optical correlator with a folded asymmetrical optical

Details Reflective optical correlator with a folded asymmetrical optical Reflective optical correlator with a folded asymmetrical optical

1992-12-24

1994-05-10

Arnold, Bruce Y.

Optical: systems and elements

Diffraction

Using fourier transform spatial filtering

359559, 382 42, 382 31, G02B 2746, G06K 964

Patent

active

053113594

ABSTRACT:
An optical correlator system having a plurality of reflective optical components, both active and passive, positioned (1) between a source of electromagnetic radiation, such as a visible beam of coherent light, and an output detector array, and (2) around an asymmetrical perimeter of a planar support body to develop an asymmetrically folded optical axis or path wholly within the body where the path is traversed by the beam SO THAT information processed by the active optical components along the optical path and imparted to the optical beam enable the optical detection of an unknown object at the detector array which is then subject to an identification process.

REFERENCES:
patent: 4941719 (1990-07-01), Hisada et al.
patent: 4968136 (1990-11-01), Lim et al.
patent: 5148496 (1992-07-01), Anderson
patent: 5216541 (1993-06-01), Takasue et al.

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