Optically Induced Extraordinarily Large Negative Orientational Nonlinearity in Dye-Doped Liquid Crystal

Lam Choon Khoo; Hong Li; Yu Liang

doi:10.1109/3.236160

Optically Induced Extraordinarily Large Negative Orientational Nonlinearity in Dye-Doped Liquid Crystal

Lam Choon Khoo, Hong Li, Yu Liang

Research output: Contribution to journal › Comment/debate › peer-review

114 Scopus citations

Abstract

Laser Induced large negative reorientational Nonlinearities are observed in dye-doped liquid crystal. The effect is attributed to intermolecular torque exerted by the photoex-cited dye molecules, which causes the liquid crystal axis to realign in a direction orthogonal to the optical electric field. Optical nonlinearity as large as 10-2 cm2/Watt in a 37 μm thick sample has been observed. In some highly absorptive dyed liquid crystal, the orientational effect can be much larger than the thermal effect.

Original language	English (US)
Pages (from-to)	1444-1447
Number of pages	4
Journal	IEEE Journal of Quantum Electronics
Volume	29
Issue number	5
DOIs	https://doi.org/10.1109/3.236160
State	Published - May 1993

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/3.236160

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@article{585690e615e047a9909caecfe7569ca0,

title = "Optically Induced Extraordinarily Large Negative Orientational Nonlinearity in Dye-Doped Liquid Crystal",

abstract = "Laser Induced large negative reorientational Nonlinearities are observed in dye-doped liquid crystal. The effect is attributed to intermolecular torque exerted by the photoex-cited dye molecules, which causes the liquid crystal axis to realign in a direction orthogonal to the optical electric field. Optical nonlinearity as large as 10-2 cm2/Watt in a 37 μm thick sample has been observed. In some highly absorptive dyed liquid crystal, the orientational effect can be much larger than the thermal effect.",

author = "Khoo, {Lam Choon} and Hong Li and Yu Liang",

note = "Funding Information: Manuscript received September 9, 1992; revised October 14, 1992. This work was supported by a Grant from the National Science Foundation. The authors are with the Department of Electrical and Computer Engineering. The Pennsylvania State University, University Park, PA 16802. IEEE Log Number 9207835.",

year = "1993",

month = may,

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T1 - Optically Induced Extraordinarily Large Negative Orientational Nonlinearity in Dye-Doped Liquid Crystal

AU - Khoo, Lam Choon

AU - Li, Hong

AU - Liang, Yu

N1 - Funding Information: Manuscript received September 9, 1992; revised October 14, 1992. This work was supported by a Grant from the National Science Foundation. The authors are with the Department of Electrical and Computer Engineering. The Pennsylvania State University, University Park, PA 16802. IEEE Log Number 9207835.

PY - 1993/5

Y1 - 1993/5

N2 - Laser Induced large negative reorientational Nonlinearities are observed in dye-doped liquid crystal. The effect is attributed to intermolecular torque exerted by the photoex-cited dye molecules, which causes the liquid crystal axis to realign in a direction orthogonal to the optical electric field. Optical nonlinearity as large as 10-2 cm2/Watt in a 37 μm thick sample has been observed. In some highly absorptive dyed liquid crystal, the orientational effect can be much larger than the thermal effect.

AB - Laser Induced large negative reorientational Nonlinearities are observed in dye-doped liquid crystal. The effect is attributed to intermolecular torque exerted by the photoex-cited dye molecules, which causes the liquid crystal axis to realign in a direction orthogonal to the optical electric field. Optical nonlinearity as large as 10-2 cm2/Watt in a 37 μm thick sample has been observed. In some highly absorptive dyed liquid crystal, the orientational effect can be much larger than the thermal effect.

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JF - IEEE Journal of Quantum Electronics

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ER -

Optically Induced Extraordinarily Large Negative Orientational Nonlinearity in Dye-Doped Liquid Crystal

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