Design and testing of a Kirkpatrick-Baez optics variation Veronika Stieglitz, Vadim Burwitz, Thorsten Doehring, Rene Hudec and Stanislav Vitek EPJ Web Conf., 266 (2022) 03021 Published online: 13 October 2022 DOI: 10.1051/epjconf/202226603021