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Polarimetric measurement method to calculate optical beam shifts

机译:偏振测量法计算光束位移

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摘要

Stokes polarimetry measurements are carried out to calculate the spatial and angular Goos-Hanchen and Imbert-Fedorov shifts of a Gaussian beam reflected at glass-air interface, by measuring the phase difference between the TE and TM components and the amplitude of reflection. Variation of the beam shifts as a function of input beam polarization is also measured. The results obtained here are in good agreement with the theoretical predictions and the results obtained using a position sensitive detector. The polarimetric measurement method is accurate, independent of the intensity distribution of the beam, and opens up a new method to study the beam shift problem.
机译:通过测量TE和TM分量之间的相位差和反射幅度,进行斯托克斯偏振测量,以计算在玻璃-空气界面反射的高斯光束的空间和角Goos-Hanchen和Imbert-Fedorov位移。还测量了作为输入光束偏振的函数的光束偏移的变化。此处获得的结果与理论预测以及使用位置敏感检测器获得的结果非常吻合。偏振测量方法是准确的,与光束的强度分布无关,为研究光束偏移问题开辟了一种新方法。

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