Fu Ming-Lei, Le Zi-Chun, Zhou Han-Qing, Zhang Ming, Quan Bi-Sheng, Wang Hua, Mao Cheng-Wen, Wang Chang-Hui, Shen Xiao-Yan. Design and fabrication of cascaded X-ray planar parabolic compound refractive lensJ. Acta Physica Sinica, 2014, 63(19): 194103. DOI: 10.7498/aps.63.194103