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Precise optical activity measurement of quartz plate by using a true phase-sensitive technique

机译：使用真正的相敏技术精确测量石英板的光学活度

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摘要

A method of considering the circular and linear birefringent properties of a material on the basis of circular and linear polarization eigenstates is presented theoretically and experimentally. A polarized common-path optical heterodyne interferometer with respect to both right-hand and left-hand circularly polarized light was set up. It was used in conjunction with a phase lock-in technique to measure the Optical activity of quartz crystal in real time. The signal-to-noise ratio of the measured phase change caused by the lateral displacement of quartz cornus was 75, which corresponded to a measuring accuracy of 10↑(-7). This novel method, in which a true-phase-sensitive optical heterodyne interferometer is used, has higher detection sensitivity and higher immunity to environmental disturbances. # 1997 Optical Society of America
机译：从理论上和实验上提出了一种基于圆形和线性偏振本征态来考虑材料的圆形和线性双折射特性的方法。相对于左旋和右旋圆偏振光都建立了偏振共通光学外差干涉仪。它与锁相技术结合使用，可以实时测量石英晶体的光学活性。由石英角膜的横向位移引起的所测量的相变的信噪比为75，对应于10↑（-7）的测量精度。这种使用真相敏感的光学外差干涉仪的新颖方法具有更高的检测灵敏度和更高的抗环境干扰能力。 ＃1997美国眼镜学会

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