光栅

We review the dark decay of the electronic holographic phase grating before thermal fixing, and deduce the general analytic expression of the lifetime of thermal-fixed ionic holograms in the photorefractive crystal, by means of analogizing.

通过类比的方法，由热固定前的电子体全息相位栅的暗衰减得出了热固定后离子体全息光栅的衰减规律及其寿命的一般解析表达式。

Cross-stitch is a popular form of counted-thread embroidery in which X- sh aped stitches in a tiled, raster-like pattern are used to form a picture.

十字绣是一种计算线程刺绣，其中X型的瓷砖，类似模式光栅用来形成图片针流行形式。

A novel temperature sensor has been performed, which is based on the cascaded long-period fiber gratings.

设计了一种基于级联长周期光纤光栅的新颖温度传感器。

In experiment, we have fabricated high quality chirped fiber gratings by used two method respectively.

在实验方面，分别采用两种方法制作出了高质量的chirped光纤光栅。

The mechanism of optical diode effect in nonlinear chirped gratings is studied.

研究了啁啾光纤光栅的光二极管效应的机制。

In this paper, strain measuring system based on chirped gratings and edge linear filtering demodulation technology is presented.

介绍一种采用啁啾光栅并结合边缘线性滤波解调的FBG应变测量系统。

Dispersion compensation by chirped optical fiber grating in optical fiber communication system.

啁啾光纤光栅在光纤通信系统中的色散补偿。

A general analysis of the optical properties of uniform fiber gratings and chirped fiber gratings is presented using coupled mode theory.

本文对光纤光栅的光学特性和紫外写入技术进行了系统深入的理论和实验研究。

BY modifying phase mask UV exposure system and inserting a circumvolved device which making optical fiber rotation in back of the phase mask, the PMD in fiber Bragg gratings is compensated.

改变光纤光栅紫外曝光系统，在相位掩模板后插入一个旋转装置，使得光纤在制作过程中可以进行某种旋转。

Because the SiO2 small balls in opal are neatly arranged like raster, when the white light shines over it and results in diffraction, it decentralizes into color optical spectrum, therefore the bleak has the gorgeous changeable color, the red one is most valuable.

由于蛋白质石中氧化硅小圆珠整齐排列象光栅一样，当白光射在上面后发生衍射，散成彩色光谱，所以欧泊石具有绚丽夺目的变幻色彩，尤以红色多者最为珍贵。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。