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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Electro-optically controlled beam deflection for grazing incidence geometry on a domain-engineered interface in LiNbO_(3)
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Electro-optically controlled beam deflection for grazing incidence geometry on a domain-engineered interface in LiNbO_(3)

机译:LiNbO_(3)中域工程界面上掠入射几何的电光控制射束偏转

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摘要

We report an analysis on the electro-optically induced beam deflection experienced by light traversing an interface between two anti-parallel domains in a sample of LiNbO_(3). In contrast to other work on prism deflection schemes, we present a grazing incidence geometry for light at incidence angles between 87.7° and 89.0° that has been investigated to maximise the deflection angles achievable. Further improvements can be obtained for both range of angular deflection and transmission uniformity, by faceting the exit face of the device at an optimum angle. We present a theoretical analysis for this configuration and compare with data obtained for a wavelength of 1.52 μm. A practical geometry would permit a deflection of ~140 mrad for an applied voltage of 1 kV.
机译:我们报告的电光感应光束偏转经历的光穿过LiNbO_(3)样品中两个反平行域之间的界面的分析。与其他有关棱镜偏转方案的工作相反,我们提出了入射角介于87.7°和89.0°之间的光的掠入射几何形状,已对其进行了研究,以最大程度地实现可实现的偏转角。通过使装置的出射面以最佳角度刻面,可以在角度偏转范围和透射均匀性方面获得进一步的改进。我们提出了这种配置的理论分析,并与波长为1.52μm的数据进行了比较。实际的几何形状允许在施加1 kV电压时产生约140 mrad的挠度。

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