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  • Photorefractive materials are recording media that can be used for holographic recording. In our contribution, an experimental study of the photorefractive effect in poly(N-vinyl carbazole) (PVK) with N-ethylcarbazole (ECZ) doped with new nonlinear optical chromophores 4-Nitro-2'-acetylamino-4'-(N,N-dimethylamino)azobenzene or 4-Cyano-4'-(N,N-diethylamino)azobenzene is presented. These two chromophores are sensitive enough to the wavelength 532 nm, so no sensitizers are needed. Using the materials, we have demonstrated four-wave mixing experiments with visible laser beams at a room temperature with using a high voltage power supply and without. The writing laser beam had the wavelength 532 nm and the reading laser beam 658 nm.
  • Photorefractive materials are recording media that can be used for holographic recording. In our contribution, an experimental study of the photorefractive effect in poly(N-vinyl carbazole) (PVK) with N-ethylcarbazole (ECZ) doped with new nonlinear optical chromophores 4-Nitro-2'-acetylamino-4'-(N,N-dimethylamino)azobenzene or 4-Cyano-4'-(N,N-diethylamino)azobenzene is presented. These two chromophores are sensitive enough to the wavelength 532 nm, so no sensitizers are needed. Using the materials, we have demonstrated four-wave mixing experiments with visible laser beams at a room temperature with using a high voltage power supply and without. The writing laser beam had the wavelength 532 nm and the reading laser beam 658 nm. (en)
Title
  • Photorefractive polymer composites with new nonlinear optical chromophores for holographic record
  • Photorefractive polymer composites with new nonlinear optical chromophores for holographic record (en)
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  • Photorefractive polymer composites with new nonlinear optical chromophores for holographic record
  • Photorefractive polymer composites with new nonlinear optical chromophores for holographic record (en)
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  • RIV/68407700:21340/13:00214915!RIV14-MSM-21340___
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  • RIV/68407700:21340/13:00214915
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  • Photorefractive polymers; nonlinear recording materials; electro-optic effect; optical holography (en)
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  • [6820AEB9C9D1]
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  • Fiala, Pavel
  • Almonasy, N.
  • Květoň, Milan
  • Dědič, Jiří
  • Přichystalová, H.
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  • 21340
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