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Focusing Characteristics of Chirped Hologram Gratings Written in Polymer Dispersed Liquid Crystals (PDLC)

机译:聚合物分散液晶(PDLC)写入啁啾全息图格栅的聚焦特性(PDLC)

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摘要

The focusing property of thick chirped hologram PDLC gratings is investigated theoretically. Focal length's formula for linearly chirped gratings is obtained by using Bragg condition. Diffraction efficiency dependence on incident angle in focus point is calculated numerically and enhanced bandwidth is observed.
机译:从理论上研究了厚啁啾全息图PDLC光栅的聚焦性能。通过使用布拉格条件获得线性啁啾光栅的焦距配方。衍射效率对焦点中入射角的依赖性在数值上计算,并且观察到增强带宽。

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