通过测量石英晶体在不同的外力下折射率的变化情况，确定了晶体的弹光系数。
The change of quartz crystal refractive index is measured under the different outside force, and the elasto-optical coefficient is determined.
通过三维光弹实验测定了轴表面横向半椭圆裂纹的应力强度因子（SIF），并计算了与光弹轴裂纹几何及当地应力相对应的无限大体的SIF，从而求得SIF修正系数。
The SIF and its correction factor of the transverse surface semi-elliptic crack of a photoelastic axle are tested and studied with the method of three dimensional photo-elastics.
波导效应所引起的应变灵敏度系数都比弹光效应小几个数量级，因此可以忽略。
The strain sensitivity induced by the waveguide effect is several orders of magnitude smaller than that induced by the strain-optic effect, so it can be neglected.
波导效应所引起的应变灵敏度系数都比弹光效应小几个数量级，因此可以忽略。
The strain sensitivity induced by the waveguide effect is several orders of magnitude smaller than that induced by the strain-optic effect, so it can be neglected.
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