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Holographic recording in a photopolymer by optically induced detachment of chromophores

机译:通过光致发色团的分离在光聚合物中进行全息记录

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摘要

We demonstrate holographic recording in a new photopolymer system. The recording material is created by copolymerization of an optically inert monomer, methyl methacrylate, and a second monomer that is optically sensitive. On exposure of the recording material to light, a portion of the optically sensitive component detaches from the polymer matrix and causes hologram amplification through diffusion of the free molecules. We measured postrecording grating amplifications as high as 170% by this process. The recorded holograms are persistent at room temperature under continuous illumination at the recording wavelength.
机译:我们演示了在新的光敏聚合物系统中的全息记录。通过光学惰性单体,甲基丙烯酸甲酯和光学敏感的第二单体的共聚来产生记录材料。当记录材料暴露于光时,一部分光敏组分从聚合物基质上脱离并通过自由分子的扩散引起全息图放大。通过此过程,我们测得了记录后的光栅放大率高达170%。记录的全息图在室温下在记录波长的连续照明下保持不变。

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