1)- Kenan Li, Sajid Ali, Michael Wojcik, Vincent De Andrade, Xiaojing Huang, Hanfei Yan, Yong S Chu, Evgeny Nazaretski, Ajith Pattammattel, Chris Jacobsen. Tunable hard x-ray nanofocusing with Fresnel zone plates fabricated using deep etching.Optica. 2020, 7 (5): 410-416