1. Theoretical exploration of time-varying media and multi-objective optimization of Gradient index lens Restricted (Penn State Only) Author: Xu, Jingwei Title: Theoretical exploration of time-varying media and multi-objective optimization of Gradient index lens Graduate Program: Electrical Engineering (PHD) Keywords: time-varying materialsantenna File: Login to Download Committee Members: Madhavan Swaminathan, Program Head/ChairZhiwen Liu, Major Field MemberDouglas Werner, Chair & Dissertation AdvisorKenneth Knappenberger, Outside Unit & Field MemberSawyer Campbell, Major Field Member