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Improved thermal stability of volume holograms recorded in nanoparticle-polymer composite films

机译:改进的纳米粒子-聚合物复合薄膜中体积全息图的热稳定性

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摘要

We examine thermal distortions of volume holograms recorded in (meth)acrylate photopolymers doped with SiO_(2) or ZrO_(2) nanoparticles. A holographic method is used to evaluate the temperature-induced Bragg-angle detuning of recorded volume holograms as a result of thermally induced refractive index and dimensional changes. It is found that the incorporation of inorganic nanoparticles into photopolymer leads to the effective suppression of these thermal changes, thereby extending the range of operating temperatures for their use in photonic applications.
机译:我们检查了掺杂有SiO_(2)或ZrO_(2)纳米粒子的(甲基)丙烯酸酯光敏聚合物中记录的体积全息图的热变形。全息方法用于评估由于热诱导的折射率和尺寸变化而导致的记录体积全息图的温度感应布拉格角失谐。已发现将无机纳米颗粒掺入光敏聚合物中可有效抑制这些热变化,从而扩大了其在光子应用中的使用温度范围。

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