Optical information processing systems with various structure incoherent radiation

Yuri A. Bykovsky; Anatoly A. Markilov; Vladislav Gennadyevich Rodin; Ekaterina A. Shapkarina; Ivan V. Solyakin; Sergey N. Starikov; Mikhail V. Terekhov

doi:10.1117/12.350525

22 June 1999 Optical information processing systems with various structure incoherent radiation

Yuri A. Bykovsky, Anatoly A. Markilov, Vladislav Gennadyevich Rodin, Ekaterina A. Shapkarina, Ivan V. Solyakin, Sergey N. Starikov, Mikhail V. Terekhov

Author Affiliations +

Proceedings Volume 3516, 23rd International Congress on High-Speed Photography and Photonics; (1999) https://doi.org/10.1117/12.350525
Event: Twenty-Third International Congress on High-Speed Photography and Photonics, 1998, Moscow, Russian Federation

Abstract

Since the moment of laser appearance and till now the attention concentrated on great potentiality realization of coherent optical data processing systems. However, the difficulties occurred in creating the workable systems of this type were the reasons of spreading the field of investigation on diffraction systems in which not only the coherent, but the partially coherent and non-coherent illumination is used. Spatial coherence and light spectrum components as well as amplitude, phase and polarization of light passed through the optical system can be modulated by the information to be processed. The transformation of spatial coherence allows to perform Fourier and correlation analysis of images or temporal signals formed by spatially incoherent quasimonochromatic light, when the traditional holographic matched filter is used. The input of two-dimensional data arrays can be performed by the acousto-optic deflector. Developed method of bipolar holographic filter pulse response synthesis increases image recognition reliability. If the light is non- monochromatic it is possible to involve the spectral components as the information parameters in correlation signal formation due to the special modulating mask placed in reference beam when the filter is recorded. A possibility of optical system creation with no lens for image formation based on spatial coherence transform is considered.

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Yuri A. Bykovsky, Anatoly A. Markilov, Vladislav Gennadyevich Rodin, Ekaterina A. Shapkarina, Ivan V. Solyakin, Sergey N. Starikov, and Mikhail V. Terekhov "Optical information processing systems with various structure incoherent radiation", Proc. SPIE 3516, 23rd International Congress on High-Speed Photography and Photonics, (22 June 1999); https://doi.org/10.1117/12.350525

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