阶梯光栅

刻划阶梯光栅的原理和应用特性

The principle and characters for applying of echelle

简述阶梯光栅的基本原理和在天文学中的应用，分析并比较了阶梯光栅光谱仪与普通平面闪耀光栅光谱仪的区别。

The general theories behind echelle and its applications in astronomy are briefed , and the differences between echelle spectrograph and plane grating spectrograph are analyzed and compared .

设计了一种应用于光纤与波导之间耦合的微型多阶梯光栅耦合器和二元光栅耦合器。这两种耦合器以SOI结构为基础，并可与其他SOI器件集成。

A compact multilevel grating coupler and binary blazed grating coupler based on SOI material structure are also proposed to realize coupling between fiber and waveguide , which can be integrated with other SOI components .

多道光谱仪发展的新动向&中阶梯光栅光谱仪

Echelle spectrometers , a new trend in multichannel spectrometry

中阶梯光栅光谱仪光学系统的安装及检测

Aligning and testing of optical system of echelle spectrography

高分辨率阶梯光栅光谱仪的光学设计

Optical design of high resolution echelle spectrograph

中阶梯光栅具有超高分辨率的特点，在光谱仪、光通信等领域都有着广泛的应用。

Echelle gratings have a wide range of applications in spectroscopy , optical communications and other fields because of its ultra-high resolution .

最后把它用于晶体阶梯光栅偏振分离的计算中，并把它与标量理论的计算结果相比较。

At last , it is used in calculating about polarization separation of crystal echelon gratings , and its result is compared with that of scalar theory computation .

用微波消解大黄后，采用美国利曼公司生产的PS-Ⅰ型中阶梯光栅光谱仪测定了大黄中的常量及微量元素。

After rhubarb were digested with microwave , the contents of constant and trace elements in it were determined by ICP / Echelle spectrometer ( American Leeman labs ) .

通过分析研究反射型阶梯光栅的衍射效率，获得了相应的系统理论和研究方法，为新型微光开关的设计和开发提供一种新的思路。

Through the analysis of reflection echelon grating diffraction efficiency , we gain the corresponding systems theory and research methods , and provide a new way for optical switches ' design .

利用北京天文台兴隆观测基地2.16米望远镜的折轴阶梯光栅摄谱仪，获得了一批中等贫金属星的高分辨率、高信噪比光谱。

The high resolution , high signal to noise ratio spectra of a sample of mildly metal-poor stars were obtained with the Coude Echelle Spectrograph attached to the 2.16m telescope at Beijing Astronomical Observatory ( Xinglong , China ) .

其次，本文根据定量化实验的需要，有针对性地提出了一种阶梯光栅光谱仪光栅效应系数的校准方法，校准后可以给出不同波长信号强度的真实分布关系，给光谱定量分析提供了现实依据。

Secondly , according to the needs of quantitative experiments , a calibration method for the grating response of the echelle spectrograph was presented . It can give the real distributed relationship of the spectra-line intensity in different wavelength with calibration and offer the realistic basis for spectrum quantitative analysis .

阐述了标量近似与Snell定律和Fresnel关系相结合的方法，并推导出阶梯透射光栅的衍射场强分布和衍射效率公式。

A method uniting the scalar approximation with the Snell 's law and the Fresnel relations is presented in detail . Two formulae of the energy flux density and the diffraction efficiency are derived for the step transmission grating .

阶梯透射光栅衍射效率的研究

Study of Diffraction Efficiency of Step Transmission Grating

针对79g/mm中阶梯衍射光栅高精度刻划的要求，本文以直线刃刻划刀为切入点，对光栅机械刻划过程进行深入研究。

For the high precision ruling of79g / mm echelle grating , in this paper , taking the chisel-edge as starting point , the process of the grating mechanical ruling is studied in-depth . First , the forming process of coating material during ruling is analyzed .

光载波条纹图的计算机辅助分析&阶梯形虚拟光栅解调法

Computer aided analysis of fringe pattern using staircase virtual grating demodulation technique

本文介绍了理想导体反射光栅衍射问题的一般模态理论，并对阶梯槽型光栅进行了数值计算。

The general modal theory of diffraction from a ideal conducting grating is presented The numerical Calculation is made for the lamellar grating .

阶梯式自动电梯隧道阶梯光栅多视点自由立体显示的子像素排列

Escalator tunnel Sub-pixel Arrangement for Multi-view Autostereoscopic Display Based on Step Parallax Barrier