When modulating the light, isolating light and processing information of light, it is normal to change naturelight into polarizing light. These processes need polarizing device.
在进行光调制和光隔离以及光信息处理时，需要把普通光变成偏振光，这个调制过程需要起偏器件。
3
The technology to the ecological design include power management, artificial light, naturelight, making use of plants and water, adjust the quality of the air in the interior space.