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首页> 外文期刊>Optics Letters >Beam-focus shaping by use of programmable phase-only filters: application to an ultralong focal line
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Beam-focus shaping by use of programmable phase-only filters: application to an ultralong focal line

机译:使用可编程的仅相位滤波器进行光束聚焦整形:应用于超长焦线

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摘要

We have developed a high-resolution programmable adaptive-optic device based on an optically addressed liquid-crystal electro-optic valve controlled by an achromatic three-wave lateral shearing interferometer. We apply this phase-only filter and loop to shape the far-field pattern of laser beams. As a first application, we theoretically compute and experimentally verify the focus along a line longer than tens of Rayleigh ranges.
机译:我们已经开发了一种高分辨率可编程自适应光学器件,该器件基于由消色差三波横向剪切干涉仪控制的光学寻址液晶电光阀。我们应用此仅相位滤波器并循环以塑造激光束的远场模式。作为第一个应用程序,我们在理论上计算和实验验证了沿着比数十瑞利范围更长的直线的焦点。

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