Abstract

We report on the effects of a low-frequency electric field on the optical nonlinear response of thin dye-doped liquid crystal cells. Experimental data show that the external field allows reaching extremely high values of the optical nonlinearity without any critical control of the cell interfaces. A qualitative interpretation of the collected data, based on the light-induced modulation of the bulk voltage through surface modifications, is proposed.

© 2006 Optical Society of America

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  1. L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
    [CrossRef]
  2. F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
    [CrossRef] [PubMed]
  3. L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
    [CrossRef]
  4. L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
    [CrossRef]
  5. L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
    [CrossRef]
  6. L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
    [CrossRef]
  7. V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
    [CrossRef]
  8. P. Pagliusi and G. Cipparrone, "Surface-induced photorefractive-like effect in pure liquid crystals," Appl. Phys. Lett. 80, 168-170 (2002).
    [CrossRef]
  9. P. Pagliusi and G. Cipparrone, "Charge transport due to photoelectric interface activation in pure nematic liquid-crystal cells," J. Appl. Phys. 92, 4863-4869 (2002).
    [CrossRef]
  10. P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
    [CrossRef]
  11. E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
    [CrossRef]
  12. L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
    [CrossRef]
  13. J. Zhang, V. Ostroverkhov, K.D. Singer, V. Reshetnyak, Y. Reznikov, "Electrically controlled surface diffraction gratings in nematic liquid crystals," Opt. Lett. 25, 414-416 (2000).
    [CrossRef]

2005 (2)

L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
[CrossRef]

2004 (2)

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

2003 (1)

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

2002 (4)

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Surface-induced photorefractive-like effect in pure liquid crystals," Appl. Phys. Lett. 80, 168-170 (2002).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Charge transport due to photoelectric interface activation in pure nematic liquid-crystal cells," J. Appl. Phys. 92, 4863-4869 (2002).
[CrossRef]

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

2001 (3)

F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
[CrossRef] [PubMed]

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

2000 (1)

Barbero, G.

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

Boichuk, V.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

Cipparrone, G.

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Surface-induced photorefractive-like effect in pure liquid crystals," Appl. Phys. Lett. 80, 168-170 (2002).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Charge transport due to photoelectric interface activation in pure nematic liquid-crystal cells," J. Appl. Phys. 92, 4863-4869 (2002).
[CrossRef]

Di Fabrizio, M.

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

Francescangeli, O.

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
[CrossRef] [PubMed]

Gentili, M.

L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

Kucheev, S.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

Kuksenok, O.V.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Lucchetta, D.E.

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
[CrossRef] [PubMed]

Lucchetti, L

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

Lucchetti, L.

L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
[CrossRef] [PubMed]

Ostroverkhov, V.

Ouskova, E.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Pagliusi, P.

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Surface-induced photorefractive-like effect in pure liquid crystals," Appl. Phys. Lett. 80, 168-170 (2002).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Charge transport due to photoelectric interface activation in pure nematic liquid-crystal cells," J. Appl. Phys. 92, 4863-4869 (2002).
[CrossRef]

Parka, J.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

Reshetnyak, V.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

J. Zhang, V. Ostroverkhov, K.D. Singer, V. Reshetnyak, Y. Reznikov, "Electrically controlled surface diffraction gratings in nematic liquid crystals," Opt. Lett. 25, 414-416 (2000).
[CrossRef]

Reznikov, Y.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

J. Zhang, V. Ostroverkhov, K.D. Singer, V. Reshetnyak, Y. Reznikov, "Electrically controlled surface diffraction gratings in nematic liquid crystals," Opt. Lett. 25, 414-416 (2000).
[CrossRef]

Reznikov, Yu.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Shiyanovskaya, I.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

Shiyanovskii, S.V.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Simoni, F.

L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

F. Simoni, L. Lucchetti, D.E. Lucchetta, O. Francescangeli, "On the origin of the huge nonlinear response of dye doped liquid crystals," Opt. Express 9, 85-90 (2001).
[CrossRef] [PubMed]

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Singer, K.D.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

J. Zhang, V. Ostroverkhov, K.D. Singer, V. Reshetnyak, Y. Reznikov, "Electrically controlled surface diffraction gratings in nematic liquid crystals," Opt. Lett. 25, 414-416 (2000).
[CrossRef]

Slussarenko, S.

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

Su, L.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

West, J.L.

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Zappone, B.

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

Zhang, J.

Appl. Phys. Lett. (3)

L. Lucchetti, M. Di Fabrizio, M. Gentili and F. Simoni, "Optical phase conjugation and efficient wave front correction of weak light beams by dye doped liquid crystals," Appl. Phys. Lett. 83, 5389-5391 (2003).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Surface-induced photorefractive-like effect in pure liquid crystals," Appl. Phys. Lett. 80, 168-170 (2002).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Pretransitional enhancement of the optical nonlinearity of thin dye-doped liquid crystals in the nematic phase," Appl. Phys. Lett. 86, 1511171 - 1511173 (2005).
[CrossRef]

J. Appl. Phys. (3)

V. Boichuk, S. Kucheev, J. Parka, V. Reshetnyak, Y. Reznikov, I. Shiyanovskaya, K.D. Singer, S. Slussarenko, "Surface-mediated light-controlled Friedericksz transition in a nematic liquid crystal cell," J. Appl. Phys. 90, 5963-5967 (2001).
[CrossRef]

P. Pagliusi and G. Cipparrone, "Charge transport due to photoelectric interface activation in pure nematic liquid-crystal cells," J. Appl. Phys. 92, 4863-4869 (2002).
[CrossRef]

P. Pagliusi, B. Zappone, G. Cipparrone, G. Barbero, "Molecular reorientation dynamics due to direct current voltage-induced ion redistribution in undoped nematic planar cell," J. Appl. Phys. 96, 218-223 (2004).
[CrossRef]

J. Nonlinear Opt. Phys. Mater. (1)

L , Lucchetti, M. Di Fabrizio, O. Francescangeli and F. Simoni, "Light-induced adsorption and desorption in dynamic and stable grating formation in methyl-red doped liquid crystals," J. Nonlinear Opt. Phys. Mater. 11, 13-23 (2002).
[CrossRef]

Mol. Cryst. Liq. Cryst. (2)

L. Lucchetti, D.E. Lucchetta, O. Francescangeli, F. Simoni, "SINE: surface induced nonlinear effects," Mol. Cryst. Liq. Cryst. 375, 641-650 (2002).
[CrossRef]

L. Lucchetti, M. Gentili and F. Simoni, "Optical phase conjugation and wavefront correction by thin nematic liquid crystal cells," Mol. Cryst. Liq. Cryst. 429, 313-324 (2005).
[CrossRef]

Opt. Commun. (1)

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, "Colossal optical nonlinearity in dye doped liquid crystals," Opt. Commun. 233, 417-424 (2004).
[CrossRef]

Opt. Express (1)

Opt. Lett. (1)

Phys. Rev. E (1)

E. Ouskova, Yu. Reznikov, S.V. Shiyanovskii, L. Su, J.L. West, O.V. Kuksenok, O. Francescangeli and F. Simoni, "Photo-orientation of liquid crystals due to light-induced desorption and adsorption of dye molecules on an aligning surface," Phys. Rev. E 64, 0517091-0517095 (2001).
[CrossRef]

Supplementary Material (1)

» Media 1: MPG (1814 KB)     

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Figures (3)

Fig. 1.
Fig. 1.

First order diffracted beam (curve a) under the application of the modulated electric field (curve b), for a randomly oriented cell. The total pump intensity is 100 μW/cm2. The maximum value of the diffraction efficiency corresponding to the maxima of curve a is 15 % and it is reached each time the external bias is 1.2 V.

Fig. 2.
Fig. 2.

Real time movie showing the diffraction orders modulated by an external electric field of 1 Hz frequency. (1.814 KB)

Fig. 3.
Fig. 3.

Time evolution of the first order diffracted intensity during the application of the modulated external bias. The total pump intensity is again 100 μW/cm2.

Equations (1)

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V Bulk ( V 2 σ q d ε s )

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