Photorefractive Bragg gratings in nematic liquid crystals aligned by a magnetic field

Gary P. Wiederrecht; Michael R. Wasielewski

doi:10.1063/1.124127

Photorefractive Bragg gratings in nematic liquid crystals aligned by a magnetic field

Gary P. Wiederrecht, Michael R. Wasielewski

Chemistry

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11 Scopus citations

Abstract

Photorefractive Bragg gratings with Q≤1 are investigated using magnetic field alignment techniques in low-molar-mass nematic liquid crystals doped with electron donor and acceptor molecules. The alignment involves a 0.3 T magnetic field which produces thicker homeotropic samples than traditional surfactant techniques. Low applied voltage and low optical intensity requirements of nematic liquid crystals are maintained while achieving photorefractive grating Bragg diffraction characteristics.

Original language	English (US)
Pages (from-to)	3459-3461
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	23
DOIs	https://doi.org/10.1063/1.124127
State	Published - Jun 7 1999

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.124127

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title = "Photorefractive Bragg gratings in nematic liquid crystals aligned by a magnetic field",

abstract = "Photorefractive Bragg gratings with Q≤1 are investigated using magnetic field alignment techniques in low-molar-mass nematic liquid crystals doped with electron donor and acceptor molecules. The alignment involves a 0.3 T magnetic field which produces thicker homeotropic samples than traditional surfactant techniques. Low applied voltage and low optical intensity requirements of nematic liquid crystals are maintained while achieving photorefractive grating Bragg diffraction characteristics.",

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AB - Photorefractive Bragg gratings with Q≤1 are investigated using magnetic field alignment techniques in low-molar-mass nematic liquid crystals doped with electron donor and acceptor molecules. The alignment involves a 0.3 T magnetic field which produces thicker homeotropic samples than traditional surfactant techniques. Low applied voltage and low optical intensity requirements of nematic liquid crystals are maintained while achieving photorefractive grating Bragg diffraction characteristics.

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Photorefractive Bragg gratings in nematic liquid crystals aligned by a magnetic field

Abstract

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