Design of Time-Resolved Shifted Dual Transmission Grating Spectrometer for the X-Ray Spectrum Diagnostics

WANG Baoqing (王保清); YI Tao (易涛); WANG Chuanke (王传珂); ZHU Xiaoli (朱效立); LI Tingshuai (李廷帅); LI Jin (李晋); LIU Shenye (刘慎业); JIANG Shaoen (江少恩); DING Yongkun (丁永坤)

doi:10.1088/1009-0630/18/7/14

Plasma Science and Technology > 2016 > 18(7): 781-785. > DOI: 10.1088/1009-0630/18/7/14

WANG Baoqing (王保清), YI Tao (易涛), WANG Chuanke (王传珂), ZHU Xiaoli (朱效立), LI Tingshuai (李廷帅), LI Jin (李晋), LIU Shenye (刘慎业), JIANG Shaoen (江少恩), DING Yongkun (丁永坤). Design of Time-Resolved Shifted Dual Transmission Grating Spectrometer for the X-Ray Spectrum Diagnostics[J]. Plasma Science and Technology, 2016, 18(7): 781-785. DOI: 10.1088/1009-0630/18/7/14

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Design of Time-Resolved Shifted Dual Transmission Grating Spectrometer for the X-Ray Spectrum Diagnostics

1Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China 2School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China 3Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China 4Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China

Funds: supported by National Natural Science Foundation of China (Nos. 11405158 and 11435011) and Development Foundation of China Academy of Engineering Physics (Nos. 2014B0102011 and 2014B0102012)

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Received Date: July 02, 2015

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Abstract

Abstract

A new time-resolved shifted dual transmission grating spectrometer (SDTGS) is designed and fabricated in this work. This SDTGS uses a new shifted dual transmission grating (SDTG) as its dispersive component, which has two sub transmission gratings with different line densities, of 2000 lines/mm and 5000 lines/mm. The axes of the two sub transmission gratings in SDTG are horizontally and vertically shifted a certain distance to measure a broad range of 0.1–5 keV time-resolved X-ray spectra. The SDTG has been calibrated with a soft X-ray beam of the synchrotron radiation facility and its diffraction efficiency is also measured. The designed SDTGS can take full use of the space on a record panel and improve the precision for measuring spatial and temporal spectrum simultaneously. It will be a promising application for accurate diagnosis of the soft X-ray spectrum in inertial confinement fusion.
- shifted dual transmission grating spectrometer,
- grating,
- X-ray spectra,
- diag?nosis of the soft X-ray spectrum

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References

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