Fabrication of a reverse twisted nematic liquid-crystal grating via holographic writing

Hyunhee Choi; J. W. Wu; Byoungchoo Park

doi:10.3938/jkps.51.1492

Fabrication of a reverse twisted nematic liquid-crystal grating via holographic writing

Hyunhee Choi, J. W. Wu, Byoungchoo Park

Department of Physics

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

By use of a photo-isomerization process occurring inside an azo-polymer alignment layer, a polarization modulation is recorded on an azo-benzene-containing liquid crystal cell in a reflection holographic configuration. A polarization analysis measurement of diffracted orders shows that the resulting structure is a reverse twisted liquid crystal grating. The electro-optic tunability of the diffraction efficiency is also demonstrated.

Original language	English
Pages (from-to)	1492-1496
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	51
Issue number	4 I
DOIs	https://doi.org/10.3938/jkps.51.1492
State	Published - Oct 2007

Keywords

Azo-molecule
Liquid crystal
Photo-isomerization
Reflection hologram

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10.3938/jkps.51.1492

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abstract = "By use of a photo-isomerization process occurring inside an azo-polymer alignment layer, a polarization modulation is recorded on an azo-benzene-containing liquid crystal cell in a reflection holographic configuration. A polarization analysis measurement of diffracted orders shows that the resulting structure is a reverse twisted liquid crystal grating. The electro-optic tunability of the diffraction efficiency is also demonstrated.",

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author = "Hyunhee Choi and Wu, {J. W.} and Byoungchoo Park",

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AU - Wu, J. W.

AU - Park, Byoungchoo

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N2 - By use of a photo-isomerization process occurring inside an azo-polymer alignment layer, a polarization modulation is recorded on an azo-benzene-containing liquid crystal cell in a reflection holographic configuration. A polarization analysis measurement of diffracted orders shows that the resulting structure is a reverse twisted liquid crystal grating. The electro-optic tunability of the diffraction efficiency is also demonstrated.

AB - By use of a photo-isomerization process occurring inside an azo-polymer alignment layer, a polarization modulation is recorded on an azo-benzene-containing liquid crystal cell in a reflection holographic configuration. A polarization analysis measurement of diffracted orders shows that the resulting structure is a reverse twisted liquid crystal grating. The electro-optic tunability of the diffraction efficiency is also demonstrated.

KW - Azo-molecule

KW - Liquid crystal

KW - Photo-isomerization

KW - Reflection hologram

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JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - 4 I

ER -

Fabrication of a reverse twisted nematic liquid-crystal grating via holographic writing

Abstract

Keywords

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