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Risley prisms to control wave-front tilt and displacement in a vectorial shearing interferometer

机译:Risley棱镜可控制矢量剪切干涉仪中的波前倾斜和位移

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A pair of thin prisms is used to deviate a light beam without changing the image orientation in a vectorial shearing interferometer. The relative angle between prisms determines the displacement of the wave front and its tilt. The direction of the beam displacement is controlled by means of changing the relative angle between prisms. This system is employed to control the displacement of a sheared wave front as a vector quantity and to introduce a controlled amount of tilt in what we believe is a novel interferometric shearing system. The predicted performance of this wave-front director is confirmed experimentally. (C) 2002 Optical Society of America. [References: 28]
机译:在矢量剪切干涉仪中,使用一对细棱镜来偏转光束,而不改变图像方向。棱镜之间的相对角度决定了波阵面的位移及其倾斜度。通过改变棱镜之间的相对角度来控制光束位移的方向。该系统用于控制剪切波阵面的位移作为矢量,并在我们认为是新颖的干涉式剪切系统中引入受控的倾斜量。该波前指向矢的预测性能已通过实验确定。 (C)2002年美国眼镜学会。 [参考:28]

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