Transmission and extinction characteristics of a novel double-layer sub wavelength metal grating polarizer at visible region are investigated theoretically.
研究了一种亚波长金属光栅偏振器在可见光波段的透射与消光特性。
参考来源 - 带有高折射率介质层的金属光栅偏振器特性的研究The focusing system accuracy, reliability and performance will be improved by Distance focusing system based on metal grating. The system will have environmental adaptability and simplified structure.
利用金属光栅作为调焦机构的测量器件来进行距离调焦,可以提高精度和可靠性,使得调焦系统的性能有较大提高,环境适应性好,结构简化。
参考来源 - 基于金属光栅的调焦系统研制The transmittivity of the slits with etch structure is about twice of the slits without etch structure.3 Study the characteristic of the optical of the sub-wavelength metallic grating.
3研究了亚波长金属光栅的光学特性。
参考来源 - 用边界元方法研究亚波长金属光栅的光学特性·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，反射式金属光栅编码器的制作有较高的难度。
用矢量模式场来描述二维金属光栅各层中的电磁场。
Electromagnetic field in various layers of 2-d metal gratings can be described with vector mode field.
金属光栅编码器可以在恶劣环境条件下有效而稳定地工作。
The metal grating encoder can work availably and stably under difficult conditions.
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