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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 22 — Nov. 15, 1998
  • pp: 1769–1771

Optical image correlator realized with a hybrid liquid-crystal-photoconducting polymer structure

S. Bartkiewicz, P. Sikorski, and A. Miniewicz  »View Author Affiliations


Optics Letters, Vol. 23, Issue 22, pp. 1769-1771 (1998)
http://dx.doi.org/10.1364/OL.23.001769


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Abstract

A joint Fourier-transform optical correlator for image recognition based on a novel hybrid photoconducting polymer–nematic liquid-crystal structure is described. The optically addressed active element that we have designed is capable of performing real-time image processing 20 times/s, at light-intensity levels of 10mW/cm2 with dc operating voltage of the order of 10 V. We present the results of correlation of simple objects as well as complicated photographs. The sensitivity, durability, and reliability of the presented system open possibilities for many applications.

© 1998 of America

OCIS Codes
(100.4550) Image processing : Correlators
(190.4400) Nonlinear optics : Nonlinear optics, materials
(200.4740) Optics in computing : Optical processing

Citation
S. Bartkiewicz, P. Sikorski, and A. Miniewicz, "Optical image correlator realized with a hybrid liquid-crystal-photoconducting polymer structure," Opt. Lett. 23, 1769-1771 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-22-1769

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