Due to the direct output of ideal orthogonal polarized linear lights without quarter wave plate(QWP) which is a factor of thermal drift, the BDL can be applied for the interferometer of nano-position for the measurement of microelectronic masks.
这种激光器不需要四分之一波片即可输出理想偏振的双频激光,避免了一个漂移因素,适合用来制作掩模板测量工作台定位的平面镜干涉仪。
参考来源 - 中频差双反射膜激光及掩模板测量纳米定位系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The directions can be obtained by removing the quarter-wave plate and following the procedure for plane polarized light or by interpolation.
可将四分之一波片卸去，并按平面偏振光法或内插法来决定其主应力方向。
Wang Z P. Li Q B. Tan Q Novel method for the measurement of the retardance of a quarter-wave plate.
王政平。李庆波。欧阳春梅延迟片法测量光学玻璃电流传感头线性双折射。
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