Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球,从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
This paper suggests a new method of rapid and automatic measuring the spectral diffraction efficiency curve of plane grating.
本文提出了一种快速自动测试平面光栅光谱衍射效率曲线的新方法。
In addition, some problems, such as the synthetical instrument efficiency, the precision of the grating location and the use of spectra! Filters, are also discussed.
并精确测定了仪器改装后的光栅转角计算公式,还讨论了仪器综合效率、光栅定位精度、滤光片的使用等问题。
The diffractive efficiency of the grating is computed by using rigorous coupled-wave analysis (RCWA). The property of polarization of the grating is also discussed.
采用严格耦合波分析(RCWA)理论计算了这种一维深亚波长光栅的衍射效率,分析了它的偏振特性。
Have analyzed and calculated the diffractive efficiency of the convex grating used in the hyper spectral imager.
对超光谱成像仪使用的凸面光栅衍射效率进行了分析计算。
We show and illuminate that the scalar diffraction theory is an approximation method to calculate the diffraction efficiency of grating, and there are restrictions on its application.
指出全息菲涅耳透镜是一种特殊类型的光栅。分析并说明光栅的标量衍射理论是计算衍射效率的一种近似方法,因此它的应用是有限制条件的。
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。
A new method for measuring the spectral diffraction efficiency of plane grating with double-beam and single detector is suggested.
本文提出了一种双光束检测器测试平面光栅衍射效率的新方法。
Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure (PPMS) crystal are studied theoretically by light diffraction efficiency.
以光栅衍射理论为基础,从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
The results show that diffraction efficiency of a lossless grating increases with the higher ratio of reference beam width to object beam width.
对于无吸收的光栅,参考光束相对物光束越宽,衍射效率将越高。
This is mainly influenced by the filtering process in Fourier plane and the low diffraction efficiency of the encoding grating.
说明傅里叶频谱面的滤波处理及编码光栅的衍射效率对图象输出信噪比的影响。
In this paper, the hemispherical grating technique, which is effectively used in enhancing quantum efficiency of Si photodetector, is introduced.
本文介绍了提高硅光探测器量子效率的半球形点阵技术。
Finally, some suggestions are made on how to raise the diffraction efficiency and enlarge the ruling area of the grating in terms of experiment.
最后探讨了如何提高衍射效率,控制闪耀波长及增大刻划面积等问题。
The effects of grating structure parameters and incidence wave parameter on diffraction efficiency are investigated . The loss of grating is also given.
文中讨论了光栅结构参数,入射波参数对衍射效率的影响以及金属光栅的损耗。
It is suggested that for efficiency optimization of a lossy grating the geometrical dimension of the grating should be carefully designed.
为了获得最优的衍射效率,应当根据介质的吸收率合理地设计光栅的几何尺寸。
Diffraction efficiency of volume Bragg grating, whose period is in the same order as the incident wavelength, is related to the polarization direction of the incident linear polarized beam.
周期与入射波长同数量级的体积布喇格光栅的衍射效率,与入射线偏振光的偏振方向有关。
On account of the high safety, efficiency, precision and stability, fiber grating is qualified to be satisfactory sensor in road and bridge weighing systems.
光纤光栅因为安全性能好、传输效率高、精度和稳定性高,成为道路和桥梁动态称重系统的理想传感元件。
Abstract: Diffraction efficiency of Al-coated triangle and holographic sinusoidal grating used in UV region are calculated using the differential formalism of exact electromagnetic theory.
摘要:基于有限电导率光栅的微分理论,对工作在紫外光区的全息正弦光栅和三角槽形光栅的衍射效率做了数值计算。
The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
结果显示,非均匀性致使光折变光栅的平均强度减弱,衍射效率降低。
The experimental result indicated that the diffraction efficiency of a non-continuously exposed grating is higher than that of continuously exposed one in the same recording condition.
实验结果表明非连续曝光比连续曝光在相同记录条件下会获得更高的衍射效率。
A simple He-Ne laser interferential grating is presented. The efficiency for treating amblyopia has been proved by initial clinical use.
本文介绍一种结构简单的氦氖激光干涉条纹弱视治疗仪。初步的临床治疗表明,该仪器效果良好。
Rigorous modal theory is used for analyzing their diffractive properties in sequence, and finally total diffractive efficiency of grating lenses can be easily obtained.
根据光栅透镜的线宽和间距微小渐变的特点,建立了光栅透镜的物理模型,并利用严格模式理论对其衍射特性进行分析。
The efficiency of phase grating is limited by groove depth, material, duty ratio and wavelength.
衍射效率受光栅材料、凹槽厚度、占空比和所使用波长的影响。
The efficiency curves of blazed characteristic of sinusoidal grating is presented. And the influence of apex angle on diffraction efficiency of triangle grating is debated.
给出了紫外全息光栅的闪耀特性分布曲线并分析了三角槽形光栅顶角大小对衍射效率的影响。
For red and green colors, a two-step Talbot grating is optimized and the light efficiency reaches over 95%.
对于红、绿两色光,对两台阶泰伯光栅进行优化,其光能利用率大于95%。
For red and green colors, a two-step Talbot grating is optimized and the light efficiency reaches over 95%.
对于红、绿两色光,对两台阶泰伯光栅进行优化,其光能利用率大于95%。
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