Yu-Chieh Cheng holds BS and MS degrees in National Central University, Taiwan. She received double Ph.D. degree from Universitat Politecnica de Catalunya and University of Florence in 2015. Now she is an Assistant professor in the Department of Electro-Optical Engineering at National Taipei University of Technology (Taiwan). Her current research is focused on flat focusing devices with periodic nano materials. She has total number of publications: 24 (11 SCI journals, 13 Conference papers). Total citation: 113, H-index: 7 (Data, Google Scholar in form 2013-2018)