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利用Jones矩阵,从理论上分析了石英晶体的旋光特性。在-10～60℃的温度范围内,实验测试了石英晶体的旋光角随温度的变化关系,并得出了石英晶体右旋圆偏振光与左旋圆偏振光折射率差随温度的变化关系。结果表明,对单色光来说,石英晶体右旋光与左旋光折射率差随温度的升高而增加,也就是说,石英晶体的旋光率随温度变化的这一特性是由晶体的右旋圆偏振光与左旋圆偏振光的折射率差随温度的变化引起的。
Using the Jones matrix, the optical properties of quartz crystals are theoretically analyzed. In the temperature range of -10 ~ 60 ℃, the relationship between the optical rotation angle of quartz crystal and temperature was experimentally tested, and the relationship between the refractive index difference of right-handed circularly polarized light and left-handed circularly polarized light of quartz crystal with temperature was obtained. The results show that for monochromatic light, the difference between the dextrorotatory and the dextrorotatory index of quartz crystal increases with the increase of temperature, that is to say, the characteristic of the quartz crystal’s optical rotation with temperature changes from the right The refractive index difference between the circularly polarized light and the left-handed circularly polarized light changes with the temperature.