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Generation of accelerating Airy and accelerating parabolic beams using phase-only patterns

机译:使用仅相位模式生成加速的艾里和加速的抛物线光束

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We generate both accelerated Airy and accelerated parabolic beams using phase-only patterns encoded onto a liquid crystal display (LCD). The usual system length is 2f, where f is the focal length of the Fourier transform lens. We develop a compact optical system having a total system length of f. However, the mask must now incorporate the Fresnel diffraction that is not provided by the reduced optical system length. Finally we incorporate the Fourier transform lens onto the mask. We obtain excellent experimental results with a phase-only pattern and a shorter optical system. This approach makes these beams much easier to implement.
机译:我们使用编码到液晶显示器(LCD)上的仅相位模式来产生加速的艾里光束和加速的抛物线光束。通常的系统长度是2f,其中f是傅立叶变换透镜的焦距。我们开发了一个紧凑的光学系统,总系统长度为f。但是,掩模现在必须包含菲涅耳衍射,这是光学系统长度减少所无法提供的。最后,我们将傅立叶变换透镜合并到蒙版上。我们通过仅相位模式和较短的光学系统获得了出色的实验结果。这种方法使这些光束更容易实现。

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