Two port nonlinear joint transform correlator

Details Two port nonlinear joint transform correlator Two port nonlinear joint transform correlator

1996-10-04

1999-05-11

Henry, Jon W.

Optical: systems and elements

Diffraction

Using fourier transform spatial filtering

359559, 359 7, 359 29, 364822, 382210, G02B27/46

Patent

active

059033908

ABSTRACT:
An all optical photorefractive holographic joint transform correlator provides a first correlation plane output port using two-beam coupling, and a second correlation plane output port employing four-wave mixing. With appropriate input beam intensity ratios, the first port output is capable of high discrimination, while simultaneously the second port offers a low discrimination output.

REFERENCES:
patent: 5337170 (1994-08-01), Khoury et al.
patent: 5493444 (1996-02-01), Khoury et al.
patent: 5604634 (1997-02-01), Khoury et al.

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