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Effects of polarization mixing on the dual-wavelength heterodyne interferometer

机译：偏振混合对双波长外差干涉仪的影响

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摘要

A great amount of phase fluctuation was observed in the dual-wavelength heterodyne interferometer that we have developed. Through analyses and experiments, we found that this fluctuation was caused by polarization mixing in the interferometer. The errors originating from the polarization mixing were also found to be the first or second harmonic versus the phase change of one mode of the laser in the optical path difference and might become substantial in value Measures that reduce the polarization mixing and improve the precision of the interferometer are given. # 1997 Optical Society of America
机译：在我们开发的双波长外差干涉仪中观察到了大量的相位波动。通过分析和实验，我们发现这种波动是由干涉仪中的偏振混合引起的。还发现源自偏振混合的误差是一阶或二阶谐波相对于激光的一种模式在光程差中的相位变化，并且可能在数值上变得可观。减少偏振混合并提高偏振精度的措施。给出了干涉仪。 ＃1997美国眼镜学会

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