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Electro-Optic Modulated Phase Array in Hexagonally Poled Lithium Niobate for Flexible Array Illuminator Device

机译:六角阵列铌酸锂中的电光调制相控阵,用于柔性阵照明装置

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摘要

We present an adaptive and dynamic hexagonal electro-optic phase array. The proposed device consists of a 2-dimensional hexagonal array of periodically inverted ferroelectric domains, along the z-axis, in lithium niobate crystals. The phase step is achieved via the application of an external electric field, along the z-axis, through transparent electrodes. Thanks to the electro-optic effect the phase step can changed with continuity over all the 0 to 2 pi by applying a variable voltage. In this way different patterns can be generated. In fact, one important property of this new proposed configuration of array iluminator is the intrinsic flexibility.
机译:我们提出了一种自适应和动态六边形电光相位阵列。所提出的器件由铌酸锂晶体中沿z轴周期性倒置的铁电畴的二维六边形阵列组成。相位步骤是通过沿z轴通过透明电极施加外部电场来实现的。由于电光效应,通过施加可变电压,相位步长可以在0至2 pi的范围内连续变化。以这种方式可以产生不同的图案。实际上,这种新提出的阵列照明器配置的重要特性是固有的灵活性。

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