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.
折射率、色散和吸收系数是用于超高速全光开关的光学材料的重要品质指数。
Refractive index, chromatic dispersion and absorption coefficient are material figures of merit for ultrafast all optical switch.
在测量非线性折射率和双光子吸收系数的频率分辨双光束耦合抽运探测技术中，光场的空间分布没有得到考虑。
The effects of spatial distribution on the experimental results are studied in spectrally resolved two-beam coupling pump-probe technique.
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