Observation of orientational photorefractive effects in nematic liquid crystals

Iam-choon Khoo, H. Li, Y. Liang

Research output: Contribution to journalArticle

339 Citations (Scopus)

Abstract

We report the observation of nonlinear photorefraction in pure aligned nematic liquid crystals in the presence of an applied dc electric field. The effect is attributed to nematic axis reorientation created by the photoinduced space-charge field in combination with the applied dc field. Strong optical nonlinearity, self-diffraction, and beam-coupling effects are observed.

Original languageEnglish (US)
Pages (from-to)1723-1725
Number of pages3
JournalOptics Letters
Volume19
Issue number21
DOIs
StatePublished - Nov 1 1994

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liquid crystals
retraining
space charge
nonlinearity
electric fields
diffraction

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Observation of orientational photorefractive effects in nematic liquid crystals",
abstract = "We report the observation of nonlinear photorefraction in pure aligned nematic liquid crystals in the presence of an applied dc electric field. The effect is attributed to nematic axis reorientation created by the photoinduced space-charge field in combination with the applied dc field. Strong optical nonlinearity, self-diffraction, and beam-coupling effects are observed.",
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Observation of orientational photorefractive effects in nematic liquid crystals. / Khoo, Iam-choon; Li, H.; Liang, Y.

In: Optics Letters, Vol. 19, No. 21, 01.11.1994, p. 1723-1725.

Research output: Contribution to journalArticle

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AB - We report the observation of nonlinear photorefraction in pure aligned nematic liquid crystals in the presence of an applied dc electric field. The effect is attributed to nematic axis reorientation created by the photoinduced space-charge field in combination with the applied dc field. Strong optical nonlinearity, self-diffraction, and beam-coupling effects are observed.

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