birefringent compensator

例句：

1. 1. The crystals are known for their birefringent properties.
   这些晶体以其双折射性质而闻名。
2. 2. The material has a unique birefringent effect that can be used in various applications.
   这种材料具有独特的双折射效应，可以用于各种应用。
3. 3. The scientist discovered a new method to measure the birefringent properties of materials.
   这位科学家发现了一种新的方法来测量材料的双折射特性。