Light-induced director axis reorientation in a dye-doped ferroelectric liquid crystal and its application to self-aligned spatial filtering

Yasuo Tomita; Takashi Inoue

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1996),
paper CFA2

Light-induced director axis reorientation in a dye-doped ferroelectric liquid crystal and its application to self-aligned spatial filtering

Yasuo Tomita and Takashi Inoue

Conference on Lasers and Electro-Optics 1996

Anaheim, California United States
2–7 June 1996
ISBN: 1-55752-443-2

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Photorefractive Materials and Applications (CFA)

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Y. Tomita and T. Inoue, "Light-induced director axis reorientation in a dye-doped ferroelectric liquid crystal and its application to self-aligned spatial filtering," in Conference on Lasers and Electro-Optics, J. Bowers, D. Miller, D. Scifres, and A. Weiner, eds., Vol. 9 of OSA Technical Digest (Optica Publishing Group, 1996), paper CFA2.

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Abstract

Linear and nonlinear optical properties of liquid crystals have been extensively investigated.¹ MacDonald et al. reported optically induced director axis reorientation in a surface-stabilized ferroelectric liquid crystal (SSFLC).² They demonstrated all-optical switching with rather high intensities of the order of 10³ W/cm² at a wavelength of 514.5 nm. Here we present an experimental investigation of light-induced director axis reorientation in dye-doped SSFLCs by means of the two-wavelength and pump-probe measurement. A large improvement in sensitivity and response speed of the light-induced director axis reorientation, compared with undoped SSFLCs, is demonstrated.

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