Nested grazing incidence optics for x ray detection
Li Lin-Sen1, 2, 3, Qiang Peng-Fei1, 3, †, Sheng Li-Zhi3, Liu Yong-An1, 3, Liu Zhe3, Liu Duo1, 3, Zhao Bao-Sheng3, Zhang Chun-Min2
       

Reflectivity @1 keV of Ir film with different roughnesses (a) and different thicknesses (b).