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Optics Letters

Optics Letters


  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1621–1623

Surface reorientation induced by short light pulses in doped liquid crystals

L. Lucchetti, D. Fedorenko, O. Francescangeli, Y. Reznikov, and F. Simoni  »View Author Affiliations

Optics Letters, Vol. 28, Issue 18, pp. 1621-1623 (2003)

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Fast surface reorientation induced by a single 4-ns low-energy laser pulse in dye-doped liquid crystals is reported. The reorientation is due to light-induced modification of the surface anisotropy, which affects the liquid crystal’s director through the appearance of a preferred direction on the irradiated surface. The detected signals can be interpreted as being the result of light-induced desorption and adsorption of dye molecules.

© 2003 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals

L. Lucchetti, D. Fedorenko, O. Francescangeli, Y. Reznikov, and F. Simoni, "Surface reorientation induced by short light pulses in doped liquid crystals," Opt. Lett. 28, 1621-1623 (2003)

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