@misc { 4770, title = {Hyperlens Design Solver}, month = {Jul}, url = {https://nanohub.org/resources/hypiesolver}, year = {2008}, doi = {doi:10.4231/D3BG2HB4F}, author = {Swanson , Matt and Ni , Xingjie and jacob , zubin and Kildishev , Alexander V.} }