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Optics Letters

Optics Letters


  • Vol. 21, Iss. 20 — Oct. 15, 1996
  • pp: 1625–1627

Nonlinear liquid-crystal fiber structures for passive optical limiting of short laser pulses

I. C. Khoo, M. V. Wood, M. Lee, and Brett D. Guenther  »View Author Affiliations

Optics Letters, Vol. 21, Issue 20, pp. 1625-1627 (1996)

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Optical limiting of nanosecond and picosecond laser pulses through millimeter-length isotropic liquid-crystal-cored fiber structures is reported. Low limiting threshold and clamped transmitted outputs are observed. The underlying nonlinear mechanisms are nonlinear photoabsorptions and scattering and lossy waveguiding caused by laser-induced thermal-density index fluctuations.

© 1996 Optical Society of America

Original Manuscript: April 22, 1996
Published: October 15, 1996

I. C. Khoo, M. V. Wood, M. Lee, and Brett D. Guenther, "Nonlinear liquid-crystal fiber structures for passive optical limiting of short laser pulses," Opt. Lett. 21, 1625-1627 (1996)

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  1. See, for example, R. Crane, K. Lewis, E. V. Stryland, M. Khoshnevisan, eds., Materials for Optical Limiting, Vol. 374 of Materials Research Society Proceedings (Materials Research Society, Pittsburgh, Pa., 1995).
  2. I. C. Khoo, Liquid Crystals: Physical Properties and Nonlinear Optical Phenomena (Wiley Interscience, New York, 1994); see also I. C. Khoo, S. T. Wu, Optics and Nonlinear Optics of Liquid Crystals (World Scientific, Singapore, 1993). [CrossRef]
  3. M. J. Soileau, E. W. Van Stryland, G. Guha, E. J. Sharp, G. L. Wood, J. L. W. Pohlman, Mol. Cryst. Liq. Cryst. 143, 139 (1987). [CrossRef]
  4. I. C. Khoo, H. Li, J. Appl. Phys. B 59, 573 (1994); I. C. Khoo, H. Li, P. G. LoPresti, Y. Liang, Opt. Lett. 19, 530 (1994). [CrossRef] [PubMed]
  5. I. C. Khoo, R. R. Michael, P. Y. Yan, IEEE J. Quantum Electron. QE-23, 1344 (1987); see also Ref. 2. [CrossRef]
  6. Q. Tang, Z. Yang, Appl. Opt. 31, 6011 (1992). [CrossRef] [PubMed]
  7. I. C. Khoo, Mol. Cryst. Liq. Cryst. 207, 317 (1991). [CrossRef]
  8. F. W. Deeg, M. D. Feyer, J. Chem. Phys. 91, 2269 (1989); H. J. Eichler, R. Macdonald, B. Trosken, Mol. Cryst. Liq. Cryst. 231, 1 (1993); see also Ref. 2 for the absorption spectra of various liquid crystals. [CrossRef]
  9. See, for example, D. G. McLean, R. L. Sutherland, M. C. Brant, D. M. Brandelik, P. A. Fleitz, T. Pottenger, Opt. Lett. 18, 858 (1993); see also B. L. Justus, Z. H. Kafafi, A. L. Huston, Opt. Lett. 18, 1603 (1993). [CrossRef] [PubMed]
  10. See, for example, J. S. Shirk, R. G. S. Pong, F. J. Bartoli, A. W. Snow, Appl. Phys. Lett. 63, 1880 (1993). [CrossRef]

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