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Polarization holographic gratings in hybrid solgel films doped with Disperse Red 1

机译:掺有分散红1的混合溶胶凝胶薄膜中的偏振全息光栅

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摘要

Polarization holographic gratings in sp configuration are written at 488 nm in photorefractive organic-inorganic films based on SiO_(2). The films, prepared by a solgel technique, contain Disperse Red 1, carbazole units, and 2,4,7-trinitro-9-fluorenone. The gratings are characterized by their diffraction efficiency for a 632.8-nm probe. The polarization gratings act as a half-wave plate, and the diffraction efficiency is independent of the polarization direction of the probe.
机译:在基于SiO_(2)的光折变有机无机薄膜中,将sp构造的偏振全息光栅写入488 nm。通过溶胶凝胶技术制备的膜包含分散红1,咔唑单元和2,4,7-三硝基-9-芴酮。光栅的特征在于其对于632.8 nm探针的衍射效率。偏振光栅起半波片的作用,衍射效率与探头的偏振方向无关。

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