High resolution EUV spectrometer diagnostic system on EAST

ZHANG Wei1 SHI YueJiang1 WANG Qiuping2 SHEN Yongcai1 DU Xuewei2 LI Yingying1 FU Jia1 WANG Fudi1 Lü Bo1 XU Jingcui1 HE Xiaoye2 1

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High resolution EUV spectrometer diagnostic system on EAST

更新时间：2021-03-05

- High resolution EUV spectrometer diagnostic system on EAST
- NUCLEAR TECHNIQUES Vol. 34, Issue 8, (2011)
- 作者机构：
  
  1. 中国科学院等离子体物理研究所
  2. 中国科技大学国家同步辐射实验室
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(10975155);中国科学院科研装备研制项目(EAST软X射线-极紫外高分辨率光谱诊断系统)资助
- DOI：
  CLC： TL631.24
- Published：01 August 2011
- 稿件说明：
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[1]张伟,石跃江,王秋平,沈永才,杜学维,李颖颖,符佳,王福地,吕波,徐经翠,何晓业.EAST全超导托卡马克高分辨率EUV光谱仪诊断系统[J].核技术,2011,34(08):613-617.

ZHANG Wei1 SHI YueJiang1 WANG Qiuping2 SHEN Yongcai1 DU Xuewei2 LI Yingying1 FU Jia1 WANG Fudi1 Lü Bo1 XU Jingcui1 HE Xiaoye2 1. High resolution EUV spectrometer diagnostic system on EAST[J]. Nuclear techniques, 2011, 34(8): 613-617.
[1]张伟,石跃江,王秋平,沈永才,杜学维,李颖颖,符佳,王福地,吕波,徐经翠,何晓业.EAST全超导托卡马克高分辨率EUV光谱仪诊断系统[J].核技术,2011,34(08):613-617. DOI：

ZHANG Wei1 SHI YueJiang1 WANG Qiuping2 SHEN Yongcai1 DU Xuewei2 LI Yingying1 FU Jia1 WANG Fudi1 Lü Bo1 XU Jingcui1 HE Xiaoye2 1. High resolution EUV spectrometer diagnostic system on EAST[J]. Nuclear techniques, 2011, 34(8): 613-617. DOI：

摘要

EAST全超导托卡马克装置上建立一套极紫外（EUV）光谱诊断系统

用于高温等离子体高电离态杂质线辐射研究。该系统利用1 200 l/mm凹面变线距全息光栅作为分光元件

工作波段50–500

波长分辨率△λ

.16（186.6）

时间分辨为20 ms

空间观测范围为0–450 mm

基本覆盖EAST全超导托卡马克的主等离子体上半空间。在EAST放电期间

利用该系统获得高波长分辨率和时间响应的杂质谱图

通过对等离子体冲氩气

利用已知波长的Ar线

对谱仪进行了初步的原位标定。

Abstract

A high resolution EUV spectrometer has been installed on EAST tokamak for plasma diagnostic.The system employs a concave varied line spacing groove holographic grating(1 200 grooves/mm at grating center) as dispersion elements

covering wavelength range of 50–500 

with resolution of about 0.16  at 186.6 

and monitoring up half of EAST plasma(0–450 mm).The time resolution is 20 ms and the spatial resolution achieves 50 mm.During the discharge with Ar injection

good spectra were obtained.Compared to the discharge without pumping Ar at all

the Ar spectrum was clearly observed.The time behavior of the C IV(312.42 ) intensity was analyzed.

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Related Institution

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