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Quadruple-pass lateral shearing interferometer for collimation-based applications

机译:四通道横向剪切干涉仪,用于基于准直的应用

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摘要

We demonstrate a quadruple-pass lateral shearing interferometer by introducing a single mirror into the conventional double-pass system for collimation-based applications. This interferometer permits the collimation of the double-pass test beam to be evaluated at a self-referencing sensitivity, and at the same time a differential sensitivity in collimation detection can be achieved through the quadruple-pass test beam. The proposed system can be utilized for both refraction-based and reflection-based applications that depend on a test arm with a convergent beam.
机译:通过将单个反射镜引入基于准直应用的常规双通道系统中,我们演示了四通道横向剪切干涉仪。该干涉仪允许以自参考灵敏度评估双通测试光束的准直,同时通过四通测试光束可以实现准直检测中的差分灵敏度。所提出的系统可用于依赖于会聚光束的测试臂的基于折射的应用和基于反射的应用。

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