Orientational grating is formed in nematic liquid crystal cells by simultaneous application of spatially modulated light and ac electric field. High diffraction efficiency ~ 30 % with reduced noise and formation time has been achieved.
© 2005 Optical Society of America
(050.1950) Diffraction and gratings : Diffraction gratings
(160.3710) Materials : Liquid crystals
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics
L. Song and W. Lee, "Formation of High Efficiency, Low Noise Orientational Grating in Nematic Liquid Crystal Cells under Applied AC Electric Field," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper JTuC34.
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