Abstract
An extreme ultraviolet spectrometer has been developed for high-energy density physics experiments at the Shenguang-III (SG-III) laser facility. Alternative use of two different varied-line-spacing gratings covers a wavelength range of . A newly developed x-ray framing camera with single wide strip line is designed to record time-gated spectra with temporal resolution and 20 lp/mm spatial resolution. The width of the strip line is up to 20 mm, enhancing the capability of the spatial resolving measurements. All components of the x-ray framing camera are roomed in an aluminum air box. The whole spectrometer is mounted on a diagnostic instrument manipulator at the SG-III laser facility for the first time. A new alignment method for the spectrometer based on the superimposition of two laser focal spots is developed. The approaches of the alignment including offline and online two steps are described. A carbon spectrum and an aluminum spectrum have been successfully recorded by the spectrometer using 2400 l/mm and 1200 l/mm gratings, respectively. The experimental spectral lines show that the spectral resolution of the spectrometer is about and for the 2400 l/mm and 1200 l/mm gratings, respectively. A theoretical calculation was carried out to estimate the maximum resolving power of the spectrometer.
© 2015 Optical Society of America
Full Article | PDF ArticleMore Like This
Hanwei Liu, Baozhong Mu, Shenye Liu, Xufei Xie, Xingsen Che, Jie Xu, Xin Wang, Liang Chen, Wenjie Li, Kaijun Shi, and Yongkun Ding
Opt. Express 30(25) 45792-45806 (2022)
Malay Bikas Chowdhuri, Shigeru Morita, and Motoshi Goto
Appl. Opt. 47(2) 135-146 (2008)
Chao Tian, Jia Chen, Bo Zhang, Lianqiang Shan, Weimin Zhou, Dongxiao Liu, Bi Bi, Feng Zhang, Weiwu Wang, Baohan Zhang, and Yuqiu Gu
Opt. Express 23(9) 12362-12372 (2015)