用于光子工厂波荡器光束线（BL-16B）的高分辨率球面光栅单色仪。
High-resolution spherical grating monochromator for the undulator beamline (BL-16B) at the Photon Factory.
作者信息
Shigemasa E, Toyoshima A, Yan Y, Hayaishi T, Soejima K, Kiyokura T, Yagishita A
机构信息
Photon Factory, IMSS, Oho 1-1, Tsukuba, Ibaraki 305, Japan.
出版信息
J Synchrotron Radiat. 1998 May 1;5(Pt 3):777-9. doi: 10.1107/S0909049597019791.
The design and performance of a 24 m high-resolution spherical grating monochromator (H-SGM) for the undulator beamline (BL-16B) at the Photon Factory are described. With three interchangeable gratings of 400, 900 and 2000 lines mm(-1), the H-SGM is designed to cover the photon energy range 40-600 eV. With a resolving power of approximately 2000 in the photon energy range 40-530 eV, more than 10(11) photons s(-1) have been measured. The best resolutions obtained so far, at a substantially lower photon flux, are greater than 10 000 at 250 eV and 8000 at 400 eV
描述了用于光子工厂波荡器光束线（BL-16B）的24米高分辨率球面光栅单色仪（H-SGM）的设计与性能。该H-SGM配备了400、900和2000线/毫米-1三种可互换光栅，设计用于覆盖40 - 600电子伏特的光子能量范围。在40 - 530电子伏特的光子能量范围内，其分辨能力约为2000，已测量到每秒超过1011个光子。目前在光子通量大幅降低的情况下获得的最佳分辨率，在250电子伏特时大于10000，在400电子伏特时为8000 。
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