2) subwavelength grating with rectangular grooves
亚波长矩形光栅
3) sub-wavelength grating
亚波长光栅
1.
All parameters that affect the zero-order diffraction efficiency of the sub-wavelength gratings are analyzed,and the diffraction efficiency is calculated with coupled-wave theory.
结合亚波长光栅的实际制作工艺,使用耦合波理论进行计算,对影响亚波长光栅零级衍射效率的各个参数进行了全面的分析,排除影响较小和实际无影响的参数,着重对影响较大的几个参数进行分析计算,完成了具有所期望零级衍射效率特性的用于光变色防伪技术的亚波长光栅的设计和制作,样品光栅零级衍射效率的测量结果验证了理论计算结果。
2.
In the experiments,sub-wavelength gratings in silicon-on-insulator(SOI) substrate are fabricated by electron beam lithography and reactive ion etching methods.
亚波长光栅具有特殊的反射特性,可以用于各种光器件的设计。
4) sub-wavelength gratings
亚波长光栅
1.
A new micro fabrication method for sub-wavelength gratings was presented,that is,sub-wavelength line and space pattern were obtained with X-ray lithography and then bulk gratings with high aspect ratio were formed with development.
描述了一种新的亚波长光栅的微细加工技术,即X光光刻得到相应的亚微米级的线宽图形,再利用显影技术获得了高深宽比的立体亚波长光栅。
2.
Resonance characteristics of sub-wavelength gratings in the visible region are studied.
研究亚波长光栅的可见光共振特性。
5) subwavelength grating
亚波长光栅
1.
Study on the zero order reflection efficiency of subwavelength grating;
亚波长光栅的零级反射特性研究
2.
A grating-set model method based on subwavelength grating theory for calculating the band structure of a two-dimensional photonic crystal;
基于亚波长光栅理论的二维光子晶体的禁带特性研究
3.
The device is designed with the principle of wire grid polarizer and subwavelength grating structure,and etched with semiconductor technique.
该器件基于线栅偏振器和亚波长光栅结构原理设计,利用半导体工艺的刻蚀技术制作。
6) Grating profile
光栅面形
1.
By changing grating profile, finally the grating profile that has high diffraction efficiency and.
通过改变光栅的面形来进行计算,最终得到了衍射效率高和偏振相关损耗小的光栅面形。
补充资料：星形－三角形变换
一种简单的电路间等效变换。 以阻抗为参数的3个电路元件的星形连接如图1所示, 三角形连接如图2所示。当这两种连接有相同的外特征时，二者便可等效互换。互换的规则是：将星形连接变换成三角形连接，要求后者的参数与前者的参数之间有如下的关系，即 (1)
反之，将三角形连接变换成星形连接，则需要
(2)
当Z1=Z2=Z3=Z时，式(1)简化为Z12=Z23=Z31=3ZZ12=Z23=Z31=Z 时，式(2)简化为式(1)和式(2)称为两种连接间的互换公式。
反之，将三角形连接变换成星形连接，则需要
(2)
当Z1=Z2=Z3=Z时，式(1)简化为Z12=Z23=Z31=3ZZ12=Z23=Z31=Z 时，式(2)简化为式(1)和式(2)称为两种连接间的互换公式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条