光滤波器

A 1×N wavelength division multiplexer with one channel corresponding to the absorption line of acetylene within the transmission window of 1530 nm was used in the WDM active sensing network.

实验中采用了一个1×4的波分复用器，其通道对应于乙炔气体的吸收波长，系统的解调通过扫描可调谐光滤波器的波长来实现。

Dichroic, Period Method of Moment, Bandwidth, Resonant Frequency

准光滤波器，周期矩量法，带宽，谐振频率

Optical filter is the key device in WDM optical communication system to deal with the signal of specific channel or multiple channels. The optical filter design of base on photonic crystal structure has become an important research.

光滤波器在波分复用光通信系统中是处理特定信道或者多个信道信号的关键器件，所以基于光子晶体结构的光滤波器设计也成为重要的研究工作。

Two kinds of freestanding waveguide-array dichroics with a 2D-periodic internal structure are designed and analyzed in this paper.

介绍了两种二维周期结构的准光滤波器的设计及其仿真结果。

We design a square lattice photonic crystal symmetry resonant cavity four-channel optical filter, the filter efficiency of every channel is high than 96%.

根据该条件，设计出正方晶格光子晶体对称式谐振腔四信道光滤波器，各信道滤波效率均高达96%。

On the base of the modified acousto-optic interaction relationship and the working principle of AOTF, some important contents in the design of noncollinear AOTF, such as the selection of the optimum incident polar angle and the image resolution have been discussed. An integrated method of designing the noncollinear AOTF has been established.

以改进的声光作用关系为基础，依据声光可调滤波器的工作原理，讨论了最佳入射光极角的选择和成像分辨率等非共线声光可调滤波器设计的重要环节，从而建立了一套完整的非共线声光可调滤波器的设计方法。

On the basis of analyzing the principles of interleaver filters of the interference of polarized light and planar lightwave circuit-type lattice structure, the equivalent mathematical representation of the spectral transmittance of the two kinds of interlearers is revealed. The equivalent relationships of the structural parameters of them are given.

在分析比较双折射晶体偏振光干涉型和平面波导环形格子结构型光交错复用滤波器原理的基础上，揭示了两者在光谱透射率的数学上的等效性，给出了两者结构参量之间的等效关系，可以直接利用经简单傅里叶级数对比法获得的晶体的结构参量对平面波导环形格子结构型光交错复用滤波器进行结构设计。

A modified aerial image was obtained by convolving the aerial image with a Gaussian filter to smear the image in a manner analogous to resistive diffusion, and then applying a variable threshold resist model on the modified image to predict the CD variations.

用高斯滤波器与空间影像进行卷积，得到改进的空间影像来模拟光刻胶的扩散，然后使用可变阈值光刻胶模型，以实际工艺数据拟合该模型参数，再把改进空间影像的相关信息作为输入，并根据可变阈值光刻胶模型所确定的光强阈值来预测CD变化，从而使光刻仿真的结果更精确地附合实际测量数据。

13 A solid-state color-measuring device, comprising: a plurality of light detectors; and a plurality of colorants that are permanently deposited onto the solid-state color-measuring device, the colorants being included in a plurality of filters such that light passing through the filters causes the light detectors to cause the solid-state color-measuring device to produce an output having a plurality of spectral responses each approximating a distinct CIE-like color-matching function.

一种固态的彩色测量装置，包括：多个光探测器；和多个永久沉积在所述固态的颜色测量装置上的色素，所述色素包括在多个滤波器中，使得穿过这些滤波器的光线使光探测器造成所述固态的彩色测量装置产生输出端，该输出端具有多个光谱响应，每个光谱响应模拟一个CIE类型的色彩匹配函数。

At the same time, optical channel drop filters, switches, modulators and optical delayers based on optical microcavities have attracted many interests and show their excellent properties in the WDM system.

同时基于光学微腔的光学滤波器、光开光、光调制器和光延迟器等光电子器件在波分复用系统中也得到广泛关注并体现出优异的特性。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。