1制作原因用高中物理实验室内现有的器材观察光的偏振现象,存在以下不足:①器材数量少,设备陈旧,只能用于演示,学生不能亲自动手实验观察,使得多数学生对光偏振的认识很不到位;②理论和实际脱离,学生会觉得光偏振离自己的生活很远,学习兴趣不浓.现代电子产品有好多都用到液晶屏 1 Production reasons Using the existing equipment in the high school physics laboratory to observe the polarization of light, there are the following deficiencies: 1 The number of equipment is small and the equipment is obsolete. It can only be used for demonstrations. Students cannot observe the experiment by themselves, making most students polarization to light. The understanding is not in place; 2 theoretical and practical disengagement, students will feel that the polarization of light is far from their own lives, learning interest is not strong. There are many modern electronic products used LCD screen