УДК: 621.391.156, 535.8

Optical Fourier processor with a liquid-crystal information-input device

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Кузьмин М.С., Рогов С.А. Оптический Фурье-процесор с жидкокристаллическим устройством ввода информации // Оптический журнал. 2015. Т. 82. № 3. С. 23–29.

Kuzmin M.S., Rogov S.A. Optical Fourier processor with a liquid-crystal information-input device [in Russian] // Opticheskii Zhurnal. 2015. V. 82. № 3. P. 23–29.

For citation (Journal of Optical Technology):

M. S. Kuz’min and S. A. Rogov, "Optical Fourier processor with a liquid-crystal information-input device," Journal of Optical Technology. 82(3), 147-152 (2015). https://doi.org/10.1364/JOT.82.000147

Abstract:

A working prototype of an optical system has been developed for processing signals and images, using a liquid-crystal array with electronic control to input the information. A number of information-processing setups have been investigated that are implemented on the basis of the developed prototype. These include an analyzer of the spatial spectra of the images and signals, a joint-transform correlator, a spectrum analyzer, and a correlator of long signals with a convoluted spectrum. There are 1024×768 elements in the input array, and the information-renewal frequency is 70 frames per second. The prototype thus developed is used as the basis for creating a laboratory project for physically modelling and studying the operation of optical information-processing systems.

Keywords:

optical image processing, pattern recognition, spatial light modulator, liquid-crystal matrix, optical spectrum analyzer, joint-transform correlator, folded spectrum

OCIS codes: 070.0070, 070.6120, 070.4790, 100.4550, 070.4550

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