Optical design of high resolution echelle spectrograph

WU Xu-hua; ZHU Yong-tian; WANG Lei

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Optical design of high resolution echelle spectrograph

更新时间：2020-08-12

- Optical design of high resolution echelle spectrograph
- Optics and Precision Engineering Vol. 11, Issue 5, Pages: 442-447(2003)
- 作者机构：
  
  中国科学院, 国家天文台南京天文光学技术研究所,江苏南京,210042
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH744.1
- Received：07 April 2003，
  
  Revised：01 August 2003，
  
  Published Online：15 October 2003，
  
  Published：15 October 2003
- 稿件说明：
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武旭华, 朱永田, 王磊. 高分辨率阶梯光栅光谱仪的光学设计[J]. 光学精密工程, 2003,(5): 442-447

WU Xu-hua, ZHU Yong-tian, WANG Lei. Optical design of high resolution echelle spectrograph[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 442-447
武旭华, 朱永田, 王磊. 高分辨率阶梯光栅光谱仪的光学设计[J]. 光学精密工程, 2003,(5): 442-447 DOI：

WU Xu-hua, ZHU Yong-tian, WANG Lei. Optical design of high resolution echelle spectrograph[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 442-447 DOI：

摘要

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。为正在研制中的一架国产4m通光口径的光谱巡天望远镜(简称LAMOST)设计了高分辨率阶梯光栅光谱仪的光学方案

该设计方案采用了白光孔径准直镜系统

大闪耀角的R4阶梯光栅和无遮拦的离轴折叠Schmidt照相机。

Abstract

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. An optical design

which features the use of white pupil collimator system

R4 echelle with large blaze angle

and the fold and off-axial Schmidt camera without center obstruction

has been made for a high resolution echelle spectrograph (Large Sky Area Multi-Object Fiber Spectroscopic Telescope) under development

a more powerful tool for astrophysical research using high-resolution spectroscopy in China.

关键词

Keywords

references

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HARRISON G R, DAVIS S P, ROBERTSON H J. Precision measurement of wavelengths with echelle spectrographs[J]. J Opt Soc Am, 1953, 43(10):853-861.

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BARANNE A. On auxiliary instrumentation for large telescopes[A]. Proc.ESO/CERN Conf[C].Garching, Germany:ESO[C], 1972, 227-239.

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