光轴角(2 V)和折射率值是透明矿物的重要光学常数。
Optic-axial Angle and refractive index are two important optic constants for the identification of transparent minerals.
这个在大光轴角厚晶体上进行定向的方法是方便、快速和有效的。
It is shown that this orientation method for crystals with large optical Angle is convenient, best and valid.
利用光波面和光波法线面的曲线方程，得出了光波面上光轴角和光线轴角的表达式。
The expression of optic axial Angle and ray axial Angle on light wave plane can be obtained by using the curve equations of the wavefront of light wave and normal plane of light wave.
就耦合效率随半导体激光器对光轴的偏离和对光轴角度的偏转进行了研究，发现耦合效率的变化灵敏度不高；
We studied how the coupling efficiency changes with the fiber position displacement and fiber axial angle variation, and we found that the coupling efficiency is not sensitive to the two parameters.
就耦合效率随半导体激光器对光轴的偏离和对光轴角度的偏转进行了研究，发现耦合效率的变化灵敏度不高；
We studied how the coupling efficiency changes with the fiber position displacement and fiber axial angle variation, and we found that the coupling efficiency is not sensitive to the two parameters.
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