光栅

To improve system resolution and image quality, the characteristics of echelle grating spectrography were introduced and a method of fixing and checking for the optical system of the echelle spectrograph was researched.

为提高系统分辨率，保证成像质量，研究了中阶梯光栅光谱仪光学系统的安装及检测方法。

After modular multi-grating spectrometer measurement, the average transmittance in the air is found to be 80%.

用组合式多功能光栅光谱仪测得其在空气中的透光率均在80%以上。

Company is mainly engaged in laser used to read the first grating, spectroscope, mirrors and filters and other optical components of modern opto-electronics development, production and sales.

公司主要从事激光读取头用的光栅、分光镜、反射镜及滤光片等现代光电子光学元件的研制、生产和销售。

The optical design and performance analysis of a direct vision spectroscope are reported in terms of the dispersion, diffraction and image formation.

根据色散、衍射和成像原理，报道了以全息光栅－棱镜组件为色散元件的直视分光镜的光路设计和性能分析。

Since the splitting of the spectral lines is extremely small it cannot be detected with a conventional prism or grating spectroscope.

因为光谱线的分裂极其微小，所以它不能被常规的棱镜或者光栅分光镜检测出来。

In this thesis, several kinds of spherical curvature measurement methods are introduced, and the "arch-high and chord-length method" is selected after introduction of the existing methods, and then the novel type of instrument for measuring spherical curvature with the variable ring is developed. In research, the grating sensor, integrated circuits and other new technologies are adopted and integrated. As a result of this, Its specific technical indicator is 0.1um in absolute accuracy, 0.01% in relative accuracy, and 0.001% in repeat accuracy.

本文首先对几种球面曲率半径的测量系统进行了深入的理论分析，在分析了各个测量方法优缺点的基础上，选用了"弓高弦长法"的测量原理，并从理论上推导了本文所述系统的可行性，采用光栅传感器、集成电路等新技术成果，将机械、电子技术、计算机技术以及传感器技术有机结合，研制出一种新型的可变径球面曲率测量仪器。

By taking a plan grating as a beam splitter and a spherical mirror as an imaging objective,the splitting system realizes a spectral plane and a small spectral band(＜42%),which is conductive to the signal receiving by a CCD detector.

分光系统采用平面光栅为分光元件，球面反射镜为成像物镜，实现了平谱面和较小的谱线弯曲(＜42%)，利于CCD探测器接收。

In this section, we also designed 2D subwavelength multilevel (2-, 4-, 8-, etc. level) columned stairstep grating with coned spatial profile to reduce reflection.

我们也通过矢量衍射理论分析了多台阶二维亚波长具有圆锥面形的网格光栅的电磁场衍射特性。

Three, S, M Series Atomic Absorption Spectrometer using a new Echelle optical system, providing unmatched detection limit; unique four-button background deuterium lamp technology, a more accurate calibration results can be as high as 3A background correction ; patent protection Stockdale two-beam technology, has been very high sensitivity and signal to noise ratio; communicate unique background deduction Zeeman graphite furnace technology; unique ELC Long Life graphite tube; GFTV unique visualization technique by graphite furnace

三、 S 、 M 系列原子吸收光谱仪采用全新的中阶梯光栅光学系统，提供无与伦比的检出限；独特的四线氘灯扣背景技术，校正结果更准确，可校正高达3A 的背景；专利保护的 Stockdale 双光束技术，得到极高的灵敏度和信噪比；独特的交流塞曼石墨炉扣背景技术；独特的 ELC 长寿命石墨管；独特的 GFTV 石墨炉可视技术

S, M Series Atomic Absorption Spectrometry in a new Echelle optical system, providing unparalleled detection limit; Four unique background deduction of deuterium lamp technology, the results more accurate calibration can be as high as 3A background correction; Patent protection Stockdale dual-beam technology, are the sensitivity and high signal to noise ratio; unique exchange Zeeman background deduction graphite furnace technology; ELC unique long-life graphite tube; GFTV unique graphite furnace visualization technique

一、 S 、 M 系列原子吸收光谱仪采用全新的中阶梯光栅光学系统，提供无与伦比的检出限；独特的四线氘灯扣背景技术，校正结果更准确，可校正高达3A 的背景；专利保护的 Stockdale 双光束技术，得到极高的灵敏度和信噪比；独特的交流塞曼石墨炉扣背景技术；独特的 ELC 长寿命石墨管；独特的 GFTV 石墨炉可视技术

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。