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1064-nm Sensitive Organic Photorefractive Composites



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Organic photorefractive composites with sub-second response time and complete internal diffraction efficiency at low-intensity 1064 nm illumination are presented. Direct sensitization of the composites is provided by the C84 fullerene derivative [84]PCBM or the organic/inorganic hybrid Ni-dithiolene complex TT-2324. Holographic measurements on blends with varying contents of sensitizer are demonstrated.