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  • Vol. 21, Iss. 11 — Jun. 1, 1996
  • pp: 767–769

Nonlinear spatial filtering with a dye-doped liquid-crystal cell

Jun-ichi Kato, Ichirou Yamaguchi, and Hiroshi Tanaka  »View Author Affiliations


Optics Letters, Vol. 21, Issue 11, pp. 767-769 (1996)
http://dx.doi.org/10.1364/OL.21.000767


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Abstract

Light-induced molecule reorientation in dye-doped liquid crystals has been applied to nonlinear spatial filtering of periodic patterns. Photoisomerization of azo-dye molecules leads to local alignment changes in the liquid-crystal molecules because of interaction among the molecules. Consequently the polarization of transmitted light is modulated, depending on the induced light intensity. By selection of suitable polarization of the transmitted light self-aligned filtering is realized. Both temporal response and filtering efficiencies have been experimentally investigated.

© 1996 Optical Society of America

History
Original Manuscript: November 11, 1995
Published: June 1, 1996

Citation
Jun-ichi Kato, Hiroshi Tanaka, and Ichirou Yamaguchi, "Nonlinear spatial filtering with a dye-doped liquid-crystal cell," Opt. Lett. 21, 767-769 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-11-767


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References

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