title: A new low-voltage-driven GRIN liquid crystal lens with multiple ring electrodes in unequal widths.
authors.affiliation: Department of Electrical Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 300, Taiwan.
authors.forename: Yung-Yuan
authors.initials: YY
authors.lastname: Kao
authors.forename: Paul C-P
authors.initials: PC
authors.lastname: Chao
authors.forename: Chieh-Wen
authors.initials: CW
authors.lastname: Hsueh