@article{Park17-OptEx-Fresnel, title = {Electrically tunable binary phase Fresnel lens based on a dielectric elastomer actuator}, author = {Park, Suntak and Park, Bongje and Nam, Saekwang and Yun, Sungryul and Park, Seung Koo and Mun, Seongcheol and Lim, Jeong Mook and Ryu, Yeonghwa and Song, Seok Ho and Kyung, Ki-Uk}, journal = {Optics Express}, volume = {25}, number = {20}, pages = {23801--23808}, publisher = {OSA}, month = oct, year = {2017}, doi = {10.1364/OE.25.023801}, url = {http://www.opticsexpress.org/abstract.cfm?URI=oe-25-20-23801}, month_numeric = {10} }