holophote

The first optical element is a single-layer mirror which works as a total-reflection mirror in the soft X-ray range(50~200 eV) and at a grazing incidence angle of 2°.

第一种为单层反射镜,这种反射镜以2°掠入射角在软X射线区(50 ～200 eV)起全反射镜作用,可用于自由电子激光器,如德国汉堡的FLASH。