Fast Fabrication of 1.26-Meter-Long Optic for Elliptic Cylindrical Focusing Bending Mirror Jieli Wu, Haitao Liu, Fengtao Yan, Min Zhou, Bing Zhuo and Wan Yongjian EPJ Web Conf., 215 (2019) 09005 Published online: 10 September 2019 DOI: 10.1051/epjconf/201921509005