Amplitude encoded phase-only filters for optical correlators

Details Amplitude encoded phase-only filters for optical correlators Amplitude encoded phase-only filters for optical correlators

1989-04-04

1991-06-18

Arnold, Bruce Y.

Boots, shoes, and leggings

350 382, 364822, G02B 2746, G03H 116, G06E 300

Patent

active

050245082

ABSTRACT:
Method allows a first phase-only optical correlator filter function to be written on an amplitude modulating device such as a spatial light modulator (SLM) by applying a bias term to the phase only filter function great enough to obtain a second amplitude encoded filter function, for use with a more economical amplitude responsive SLM.

REFERENCES:
patent: 4588260 (1986-05-01), Horner
patent: 4765714 (1988-08-01), Horner et al.
patent: 4826285 (1989-05-01), Horner
Joseph L. Horner and James R. Leger "Pattern recognition with binary phasnly filters", Applied Optics, vol. 24, No. 5, pp. 609-611, Mar. 1985.
Joseph L. Horner and Peter D. Gianino "Phase-only matched filtering", Applied Optics, vol. 23, No. 6, pp. 812-816, Mar. 15, 1984.

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