光栅

The characteristics of visible light spectrum used for spectroscopic analysis of vanadium in Ti-based alloy were investigated with grating spectroscope and prism spectroscope.

使用光栅看谱镜和棱镜看谱镜研究了钛合金中V元素看谱分析用可见光谱线特征，计算机模拟了V和Ti元素的可见光谱图，摄制了彩色图谱。

The spectroscopic analysis carried on Ni-based alloy visible spectrum with grating spectroscope and prism spectroscope and color spectrum had been taken, characteristic of visible spectrum was studied in Ni-based alloy.

摘要使用光栅看谱镜和棱镜看谱镜对镍基合金可见光谱进行看谱分析，摄制彩色图谱，研究基体元素镍和各成分元素的可见光谱特征。

248Nm zero-order nulled chirped silica phase masks are fabricated by insertion a cylindrical lens to 325nm He-Cd laser holographic system to form the chirped grating patterns on photoresist and then transfer the patterns to silica substrates by reactive ion etching.

采用在325nm He-Cd激光双光路全息干涉系统的一臂上插入柱面镜的方法和反应离子刻蚀技术研制了周期渐变的零级抑制石英相位掩模版，并用该掩模版在B/Ge双掺光纤上研制出中心波长1551nm，带宽11.4nm，反射率约60％的宽带Chirp光纤光栅。

In this paper, two important optical devices, phase grating, phase zone plate are also proposed and designed for the first time.

首次提出并设计了位相型光栅、位相型波带片等重要的光学器件。

Then it is processed by white light and the green an d red filter separatly is added to grade zero and±1 frequency spetrum.

将要处理的图像底片经过郎奇光栅的调制、影、影后得到二维的编码片。

Two improved schemes, redistribution of the outputs and adding a Dammann grating to release the burden of the element, are brought forward to overcome the zero grade spectrum.

针对器件使用中出现的零级谱问题，提出了重新分布输出面滤波图象和增加Dammann光栅减轻器件负担两种改进方案。

Ion beam etching ; Grating ; surface relief ; Quasi directional effect

离子束蚀刻；光栅；表面浮雕结构；准单向蚀刻效应

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。

It is made up of the light source, collimation objective, sample pool, ray filter, entering slot, plane speculum, holographic grating and CCD.

根据这些条件，我们可以计算出入射狭缝、光栅和出射狭缝的相对位置（我们这里采用了罗兰圆装置）。

Fiber Bragg grating characteristics by applying a transverse force to a middle section were studied theoretically and experimentally.

对均匀光纤布拉格光栅中间一段横向受力特性在仿真的基础上作了理论和实验研究。

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。