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Optics Letters

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  • Vol. 20, Iss. 11 — Jun. 1, 1995
  • pp: 1230–1232

Anomalous wavelength dependence of the dye-induced optical reorientation in nematic liquid crystals

T. Kósa and I. Jánossy  »View Author Affiliations


Optics Letters, Vol. 20, Issue 11, pp. 1230-1232 (1995)
http://dx.doi.org/10.1364/OL.20.001230


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Abstract

We report on Z-scan measurements of the spectral dependence of dye-induced enhancement of optical torque in nematic liquid crystals. It is found that the enhancement factor changes sign from positive to negative as photon energy increases from 2.4 to 2.7 eV. Modification of our earlier model is proposed to describe the observed spectral dependence.

© 1995 Optical Society of America

History
Original Manuscript: February 9, 1995
Published: June 1, 1995

Citation
T. Kósa and I. Jánossy, "Anomalous wavelength dependence of the dye-induced optical reorientation in nematic liquid crystals," Opt. Lett. 20, 1230-1232 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-11-1230


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References

  1. I. Jánossy, A. D. Lloyd, Mol. Cryst. Liq. Cryst. 203, 77 (1991); I. Jánossy, L. Csillag, A. D. Lloyd, Phys. Rev. A 44, 8410 (1991). [CrossRef] [PubMed]
  2. A. S. Zolotko, V. F Kitaeva, D. B. Terskov, Sov. Phys. JETP 106, 1722 (1994).
  3. I. C. Khoo, H. Li, Y. Liang, IEEE J. Quantum Electron. 29, 1444 (1993); H. Li, Y. Liang, I. C. Khoo, Mol. Cryst. Liq. Cryst. 251, 85 (1994). [CrossRef]
  4. I. Jánossy, T. Kósa, Opt. Lett. 17, 1183 (1992). [CrossRef] [PubMed]
  5. I. Jánossy, Phys. Rev. E 49, 2957 (1994). [CrossRef]
  6. D. Paparo, P. Maddalena, G. Abbate, E. Santamato, I. Jánossy, Mol. Cryst. Liq. Cryst. 251, 93 (1994). [CrossRef]
  7. M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990). [CrossRef]

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