Theoretical analysis and experiments have demonstrated that the technology can improve diffraction efficiency of MEMS blazed gratings for about 10% or so.
理论分析和实验测试证明,该工艺方法能够将MEMS闪耀光栅的衍射效率提高10%左右。
We offer ruled and holographic diffraction gratings.
我们提供常规和全息衍射光栅。
The principle and method to improve the diffraction efficiency of relief holographic gratings by plasma etch is presented in this paper.
本文提出了用等离子体蚀刻法提高浮雕全息光栅衍射效率的原理和方法。
The forming mechanism, diffraction efficiency and polarization characteristic of phase gratings written in cross-linked azobenzene copolymer films under different holography modes were studied.
研究了不同偏振全息模式下基于交联偶氮苯聚合物薄膜的相位光栅的形成机理、衍射效率和偏振特性。
It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.
实验研究了铝膜厚度对衍射光栅闪耀效率的影响,给出了铝膜厚度系数的最佳范围。
The principle and the main steps of the program based on coupled-wave theory for calculating the diffraction property of gratings are introduced.
介绍了利用耦合波理论编写计算光栅衍射特性程序的基本思想和主要步骤。
In this paper the study on the dispersion theory, design, manufacture techniques, and efficiency test methods of diffraction gratings were made in a deep way.
本文对衍射光栅色散理论与光栅设计、制作工艺和效率检验方法做了较为深入的研究。
The scattering problem in periodic structural mediums often discussed in the theory and applications of modern micro-optics, where periodic structural mediums are often called diffraction gratings.
在现代光学理论及应用中,经常要讨论周期结构介质中的散射问题,其中周期结构通常被称为衍射光栅。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment.
实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub-micro gratings to get uniformity of transmission filed.
亚微米光栅型导光板通过光栅空频控制出射光方向、控制槽深调节衍射效率,达到导光板出射光强的均匀性。
With the help of grating model, the important structure parameters of grating are obtained, and absolute diffraction efficiencies for these gratings are calculated and discussed.
借助于光栅模型,得到了光栅的重要结构参数,并对光栅的绝对衍射效率进行了模拟计算和讨论。
The good experimental results prove that the holographic gratings made with two-deposited film method can provide high contrast and good diffraction effect during the high temperature test.
高温实验结果表明。双镀层高温全息光栅具有较好的抗氧化能力,可作为高温变形测量的基本元件使用。
This paper describes the importance of controlling aluminum film thickness for ruling diffraction gratings and gives a method to mark the aluminum film thickness with thickness factor.
文章阐述了控制衍射光栅铝膜厚度的重要性。提出了用厚度系数标定铝膜厚度的方法。
Physical idea of the vector method is clear, stable and convergent. The diffraction problem of plane wave with polarization incident upon 2-d sub-wavelength metal gratings can be processed.
这种矢量模式方法物理概念清晰且稳定收敛,可以处理任意偏振态平面波入射到二维亚波长金属光栅中的衍射问题。
Based on flat field diffraction gratings and array detectors, the optics and structures of a Shortwave Infrared (SWIR) field spectroradiometer were designed.
基于平场凹面光栅分光和线列阵探测器探测的最新设计方案,进行了短波红外波段地物光谱仪的光机设计。
This paper suggests a new method for rapid and automatic measuring the spectral diffraction efficiency of gratings.
提出了一种快速自动测试光栅光谱衍射效率的新方法。
Well uniform gratings can be obtained and diffraction efficiency can be greatly enhanced by using this optimization scheme.
结果表明双侧紫外光照射能够实现均匀性较好的光栅,是提高衍射效率的有效途径之一。;
In this paper resolving power of diffraction gratings and its measuring methods in width at half height of central peak are described.
本文叙述了平面衍射光栅分辨率及其半宽度测量法。
In order to get a dual-wavelength tunable CO2 laser, a two-resonator laser is developed, which consists of an output coupler and two diffraction gratings.
为了获得两束波长不同的可调谐CO2激光脉冲,激光器采用双光栅与输出镜构成双谐振腔的结构设计。
Holographic gratings recorded on the film and diffraction images recovered by the reference beam were obtained. Factors influencing the recovery image's quality were analyzed.
获得了存储于样品上的全息干涉条纹和参考光再现的衍射像,分析了影响衍射图像像质的因素。
Holographic gratings recorded on the film and diffraction images recovered by the reference beam were obtained. Factors influencing the recovery image's quality were analyzed.
获得了存储于样品上的全息干涉条纹和参考光再现的衍射像,分析了影响衍射图像像质的因素。
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