Design of an optical correlator with totally incoherent light

Avi Pe'er; Dayong Wang; Asher A. Friesem; Adolf W. Lohmann

doi:10.1117/12.354896

19 July 1999 Design of an optical correlator with totally incoherent light

Avi Pe'er, Dayong Wang, Asher A. Friesem, Adolf W. Lohmann

Author Affiliations +

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354896
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

An optical spatial filtering system, designed to operate with totally incoherent light sources is presented. When correlating with such polychromatic light sources, one major problem is the dependence of the correlation response scaling on wavelength. A theoretical system that exactly compensate for this problem is analyzed. A practical configuration for implementing such a system, satisfying the theoretical solution up to first order in wavelength, is proposed. This configuration includes a combination of diffractive and refractive lenses and a gray scale filter. The possibility of higher order approximations is considered.

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Avi Pe'er, Dayong Wang, Asher A. Friesem, and Adolf W. Lohmann "Design of an optical correlator with totally incoherent light", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354896

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