In this paper, liquid crystal phase grating large screen protection system is introduced, and its fundamental diffraction characteristics are discussed.
本文介绍了一种液晶相位光栅大屏幕投影系统，讨论了液晶相位光栅的基本衍射特性。
So liquid crystal grating is used in extensive field such as diffraction optics, photoelectric switch, deflexion controlling of light beam.
因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。
The diffraction orders of the grating type structure on the liquid crystal display screen are utilized in this system.
它采用液晶显示屏作为输入器件，用液晶光阀记录和显示联合功率谱。
The diffraction orders of the grating type structure on the liquid crystal display screen are utilized in this system.
它采用液晶显示屏作为输入器件，用液晶光阀记录和显示联合功率谱。
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